Home / 19,711.71-29,575.74-11,829.39

Finding the Fourth Proportional to 19,711.71, 29,575.74 and 11,829.39

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Solution

The fourth proportional to 19,711.71, 29,575.74 and 11,829.39 is: 17,748.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,711.71 : 29,575.74 = 11,829.39 : x
  2. Step 2: Convert to fraction form
    19,711.71/29,575.74 = 11,829.39/x
  3. Step 3: Cross multiply
    19,711.71x = 29,575.74 × 11,829.39
  4. Step 4: Simplify right side
    19,711.71x = 349,862,963.00
  5. Step 5: Solve for x
    x = 349,862,963.00/19,711.71
  6. Step 6: Final answer
    x = 17,748.99

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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.