Home / 14,575.14-20,111.49-8,287.38

Finding the Fourth Proportional to 14,575.14, 20,111.49 and 8,287.38

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Solution

The fourth proportional to 14,575.14, 20,111.49 and 8,287.38 is: 11,435.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,575.14 : 20,111.49 = 8,287.38 : x
  2. Step 2: Convert to fraction form
    14,575.14/20,111.49 = 8,287.38/x
  3. Step 3: Cross multiply
    14,575.14x = 20,111.49 × 8,287.38
  4. Step 4: Simplify right side
    14,575.14x = 166,671,560.00
  5. Step 5: Solve for x
    x = 166,671,560.00/14,575.14
  6. Step 6: Final answer
    x = 11,435.33

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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.