Home / 19,532.76-29,301.56-6,386.44

Finding the Fourth Proportional to 19,532.76, 29,301.56 and 6,386.44

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Solution

The fourth proportional to 19,532.76, 29,301.56 and 6,386.44 is: 9,580.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,532.76 : 29,301.56 = 6,386.44 : x
  2. Step 2: Convert to fraction form
    19,532.76/29,301.56 = 6,386.44/x
  3. Step 3: Cross multiply
    19,532.76x = 29,301.56 × 6,386.44
  4. Step 4: Simplify right side
    19,532.76x = 187,132,654.85
  5. Step 5: Solve for x
    x = 187,132,654.85/19,532.76
  6. Step 6: Final answer
    x = 9,580.45

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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.