Home / 19,711.10-29,566.89-13,089.98

Finding the Fourth Proportional to 19,711.10, 29,566.89 and 13,089.98

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Solution

The fourth proportional to 19,711.10, 29,566.89 and 13,089.98 is: 19,635.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,711.10 : 29,566.89 = 13,089.98 : x
  2. Step 2: Convert to fraction form
    19,711.10/29,566.89 = 13,089.98/x
  3. Step 3: Cross multiply
    19,711.10x = 29,566.89 × 13,089.98
  4. Step 4: Simplify right side
    19,711.10x = 387,029,998.76
  5. Step 5: Solve for x
    x = 387,029,998.76/19,711.10
  6. Step 6: Final answer
    x = 19,635.13

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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.