Home / 19,765.38-29,668.35-13,237.14

Finding the Fourth Proportional to 19,765.38, 29,668.35 and 13,237.14

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Solution

The fourth proportional to 19,765.38, 29,668.35 and 13,237.14 is: 19,869.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,765.38 : 29,668.35 = 13,237.14 : x
  2. Step 2: Convert to fraction form
    19,765.38/29,668.35 = 13,237.14/x
  3. Step 3: Cross multiply
    19,765.38x = 29,668.35 × 13,237.14
  4. Step 4: Simplify right side
    19,765.38x = 392,724,102.52
  5. Step 5: Solve for x
    x = 392,724,102.52/19,765.38
  6. Step 6: Final answer
    x = 19,869.29

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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.