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Finding the Fourth Proportional to 15,294.36, 22,948.02 and 8,360.76

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Solution

The fourth proportional to 15,294.36, 22,948.02 and 8,360.76 is: 12,544.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,294.36 : 22,948.02 = 8,360.76 : x
  2. Step 2: Convert to fraction form
    15,294.36/22,948.02 = 8,360.76/x
  3. Step 3: Cross multiply
    15,294.36x = 22,948.02 × 8,360.76
  4. Step 4: Simplify right side
    15,294.36x = 191,862,887.70
  5. Step 5: Solve for x
    x = 191,862,887.70/15,294.36
  6. Step 6: Final answer
    x = 12,544.68

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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.