Home / 14,574.99-20,112.75-8,287.23

Finding the Fourth Proportional to 14,574.99, 20,112.75 and 8,287.23

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Solution

The fourth proportional to 14,574.99, 20,112.75 and 8,287.23 is: 11,435.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,574.99 : 20,112.75 = 8,287.23 : x
  2. Step 2: Convert to fraction form
    14,574.99/20,112.75 = 8,287.23/x
  3. Step 3: Cross multiply
    14,574.99x = 20,112.75 × 8,287.23
  4. Step 4: Simplify right side
    14,574.99x = 166,678,985.18
  5. Step 5: Solve for x
    x = 166,678,985.18/14,574.99
  6. Step 6: Final answer
    x = 11,435.96

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Half scale
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Double scale
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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.