Home / 19,397.76-29,104.96-13,164.80

Finding the Fourth Proportional to 19,397.76, 29,104.96 and 13,164.80

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Solution

The fourth proportional to 19,397.76, 29,104.96 and 13,164.80 is: 19,752.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,397.76 : 29,104.96 = 13,164.80 : x
  2. Step 2: Convert to fraction form
    19,397.76/29,104.96 = 13,164.80/x
  3. Step 3: Cross multiply
    19,397.76x = 29,104.96 × 13,164.80
  4. Step 4: Simplify right side
    19,397.76x = 383,160,977.41
  5. Step 5: Solve for x
    x = 383,160,977.41/19,397.76
  6. Step 6: Final answer
    x = 19,752.85

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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.