Home / 19,538.11-29,306.75-4,747.10

Finding the Fourth Proportional to 19,538.11, 29,306.75 and 4,747.10

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Solution

The fourth proportional to 19,538.11, 29,306.75 and 4,747.10 is: 7,120.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,538.11 : 29,306.75 = 4,747.10 : x
  2. Step 2: Convert to fraction form
    19,538.11/29,306.75 = 4,747.10/x
  3. Step 3: Cross multiply
    19,538.11x = 29,306.75 × 4,747.10
  4. Step 4: Simplify right side
    19,538.11x = 139,122,122.46
  5. Step 5: Solve for x
    x = 139,122,122.46/19,538.11
  6. Step 6: Final answer
    x = 7,120.55

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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.