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Finding the Fourth Proportional to 15,743.21, 23,614.97 and 7,427.14

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Solution

The fourth proportional to 15,743.21, 23,614.97 and 7,427.14 is: 11,140.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,743.21 : 23,614.97 = 7,427.14 : x
  2. Step 2: Convert to fraction form
    15,743.21/23,614.97 = 7,427.14/x
  3. Step 3: Cross multiply
    15,743.21x = 23,614.97 × 7,427.14
  4. Step 4: Simplify right side
    15,743.21x = 175,391,592.11
  5. Step 5: Solve for x
    x = 175,391,592.11/15,743.21
  6. Step 6: Final answer
    x = 11,140.78

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1.5x scale

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.