Home / 15,421.56-23,134.54-4,748.82

Finding the Fourth Proportional to 15,421.56, 23,134.54 and 4,748.82

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Solution

The fourth proportional to 15,421.56, 23,134.54 and 4,748.82 is: 7,123.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,421.56 : 23,134.54 = 4,748.82 : x
  2. Step 2: Convert to fraction form
    15,421.56/23,134.54 = 4,748.82/x
  3. Step 3: Cross multiply
    15,421.56x = 23,134.54 × 4,748.82
  4. Step 4: Simplify right side
    15,421.56x = 109,861,761.62
  5. Step 5: Solve for x
    x = 109,861,761.62/15,421.56
  6. Step 6: Final answer
    x = 7,123.91

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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.