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Finding the Fourth Proportional to 15,637.44, 23,446.44 and 8,237.28

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Solution

The fourth proportional to 15,637.44, 23,446.44 and 8,237.28 is: 12,350.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,637.44 : 23,446.44 = 8,237.28 : x
  2. Step 2: Convert to fraction form
    15,637.44/23,446.44 = 8,237.28/x
  3. Step 3: Cross multiply
    15,637.44x = 23,446.44 × 8,237.28
  4. Step 4: Simplify right side
    15,637.44x = 193,134,891.28
  5. Step 5: Solve for x
    x = 193,134,891.28/15,637.44
  6. Step 6: Final answer
    x = 12,350.80

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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.