Home / 14,434.38-21,671.49-9,981.12

Finding the Fourth Proportional to 14,434.38, 21,671.49 and 9,981.12

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Solution

The fourth proportional to 14,434.38, 21,671.49 and 9,981.12 is: 14,985.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,434.38 : 21,671.49 = 9,981.12 : x
  2. Step 2: Convert to fraction form
    14,434.38/21,671.49 = 9,981.12/x
  3. Step 3: Cross multiply
    14,434.38x = 21,671.49 × 9,981.12
  4. Step 4: Simplify right side
    14,434.38x = 216,305,742.27
  5. Step 5: Solve for x
    x = 216,305,742.27/14,434.38
  6. Step 6: Final answer
    x = 14,985.45

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.