Home / 14,842.19-20,482.13-8,127.69

Finding the Fourth Proportional to 14,842.19, 20,482.13 and 8,127.69

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Solution

The fourth proportional to 14,842.19, 20,482.13 and 8,127.69 is: 11,216.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,842.19 : 20,482.13 = 8,127.69 : x
  2. Step 2: Convert to fraction form
    14,842.19/20,482.13 = 8,127.69/x
  3. Step 3: Cross multiply
    14,842.19x = 20,482.13 × 8,127.69
  4. Step 4: Simplify right side
    14,842.19x = 166,472,362.54
  5. Step 5: Solve for x
    x = 166,472,362.54/14,842.19
  6. Step 6: Final answer
    x = 11,216.16

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Half scale
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Double scale
Find fourth proportional to 14,843.19, 20,483.50 and 8,128.69
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.