Home / 19,972.66-29,930.45-14,666.04

Finding the Fourth Proportional to 19,972.66, 29,930.45 and 14,666.04

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Solution

The fourth proportional to 19,972.66, 29,930.45 and 14,666.04 is: 21,978.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,972.66 : 29,930.45 = 14,666.04 : x
  2. Step 2: Convert to fraction form
    19,972.66/29,930.45 = 14,666.04/x
  3. Step 3: Cross multiply
    19,972.66x = 29,930.45 × 14,666.04
  4. Step 4: Simplify right side
    19,972.66x = 438,961,200.13
  5. Step 5: Solve for x
    x = 438,961,200.13/19,972.66
  6. Step 6: Final answer
    x = 21,978.10

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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.