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Finding the Fourth Proportional to 16,478.94, 24,722.08 and 9,079.59

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Solution

The fourth proportional to 16,478.94, 24,722.08 and 9,079.59 is: 13,621.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,478.94 : 24,722.08 = 9,079.59 : x
  2. Step 2: Convert to fraction form
    16,478.94/24,722.08 = 9,079.59/x
  3. Step 3: Cross multiply
    16,478.94x = 24,722.08 × 9,079.59
  4. Step 4: Simplify right side
    16,478.94x = 224,466,234.94
  5. Step 5: Solve for x
    x = 224,466,234.94/16,478.94
  6. Step 6: Final answer
    x = 13,621.40

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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.