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Finding the Fourth Proportional to 16,391.17, 24,586.78 and 7,025.11

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Solution

The fourth proportional to 16,391.17, 24,586.78 and 7,025.11 is: 10,537.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,391.17 : 24,586.78 = 7,025.11 : x
  2. Step 2: Convert to fraction form
    16,391.17/24,586.78 = 7,025.11/x
  3. Step 3: Cross multiply
    16,391.17x = 24,586.78 × 7,025.11
  4. Step 4: Simplify right side
    16,391.17x = 172,724,798.92
  5. Step 5: Solve for x
    x = 172,724,798.92/16,391.17
  6. Step 6: Final answer
    x = 10,537.68

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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.