Home / 10,901.70-16,309.35-9,456.90

Finding the Fourth Proportional to 10,901.70, 16,309.35 and 9,456.90

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Solution

The fourth proportional to 10,901.70, 16,309.35 and 9,456.90 is: 14,147.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,901.70 : 16,309.35 = 9,456.90 : x
  2. Step 2: Convert to fraction form
    10,901.70/16,309.35 = 9,456.90/x
  3. Step 3: Cross multiply
    10,901.70x = 16,309.35 × 9,456.90
  4. Step 4: Simplify right side
    10,901.70x = 154,235,892.02
  5. Step 5: Solve for x
    x = 154,235,892.02/10,901.70
  6. Step 6: Final answer
    x = 14,147.88

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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.