Home / 16,459.28-22,713.76-8,905.62

Finding the Fourth Proportional to 16,459.28, 22,713.76 and 8,905.62

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Solution

The fourth proportional to 16,459.28, 22,713.76 and 8,905.62 is: 12,289.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,459.28 : 22,713.76 = 8,905.62 : x
  2. Step 2: Convert to fraction form
    16,459.28/22,713.76 = 8,905.62/x
  3. Step 3: Cross multiply
    16,459.28x = 22,713.76 × 8,905.62
  4. Step 4: Simplify right side
    16,459.28x = 202,280,115.33
  5. Step 5: Solve for x
    x = 202,280,115.33/16,459.28
  6. Step 6: Final answer
    x = 12,289.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.