Home / 10,366.38-15,604.85-9,294.75

Finding the Fourth Proportional to 10,366.38, 15,604.85 and 9,294.75

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Solution

The fourth proportional to 10,366.38, 15,604.85 and 9,294.75 is: 13,991.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,366.38 : 15,604.85 = 9,294.75 : x
  2. Step 2: Convert to fraction form
    10,366.38/15,604.85 = 9,294.75/x
  3. Step 3: Cross multiply
    10,366.38x = 15,604.85 × 9,294.75
  4. Step 4: Simplify right side
    10,366.38x = 145,043,202.77
  5. Step 5: Solve for x
    x = 145,043,202.77/10,366.38
  6. Step 6: Final answer
    x = 13,991.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.