Home / 10,695.29-15,960.49-9,399.56

Finding the Fourth Proportional to 10,695.29, 15,960.49 and 9,399.56

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Solution

The fourth proportional to 10,695.29, 15,960.49 and 9,399.56 is: 14,026.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,695.29 : 15,960.49 = 9,399.56 : x
  2. Step 2: Convert to fraction form
    10,695.29/15,960.49 = 9,399.56/x
  3. Step 3: Cross multiply
    10,695.29x = 15,960.49 × 9,399.56
  4. Step 4: Simplify right side
    10,695.29x = 150,021,583.38
  5. Step 5: Solve for x
    x = 150,021,583.38/10,695.29
  6. Step 6: Final answer
    x = 14,026.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.