Home / 14,376.38-21,564.57-3,988.13

Finding the Fourth Proportional to 14,376.38, 21,564.57 and 3,988.13

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Solution

The fourth proportional to 14,376.38, 21,564.57 and 3,988.13 is: 5,982.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,376.38 : 21,564.57 = 3,988.13 : x
  2. Step 2: Convert to fraction form
    14,376.38/21,564.57 = 3,988.13/x
  3. Step 3: Cross multiply
    14,376.38x = 21,564.57 × 3,988.13
  4. Step 4: Simplify right side
    14,376.38x = 86,002,308.55
  5. Step 5: Solve for x
    x = 86,002,308.55/14,376.38
  6. Step 6: Final answer
    x = 5,982.20

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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.