Home / 19,966.56-29,909.75-9,941.10

Finding the Fourth Proportional to 19,966.56, 29,909.75 and 9,941.10

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Solution

The fourth proportional to 19,966.56, 29,909.75 and 9,941.10 is: 14,891.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,966.56 : 29,909.75 = 9,941.10 : x
  2. Step 2: Convert to fraction form
    19,966.56/29,909.75 = 9,941.10/x
  3. Step 3: Cross multiply
    19,966.56x = 29,909.75 × 9,941.10
  4. Step 4: Simplify right side
    19,966.56x = 297,335,766.02
  5. Step 5: Solve for x
    x = 297,335,766.02/19,966.56
  6. Step 6: Final answer
    x = 14,891.69

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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.