Home / 10,939.47-15,096.11-6,159.66

Finding the Fourth Proportional to 10,939.47, 15,096.11 and 6,159.66

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Solution

The fourth proportional to 10,939.47, 15,096.11 and 6,159.66 is: 8,500.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,939.47 : 15,096.11 = 6,159.66 : x
  2. Step 2: Convert to fraction form
    10,939.47/15,096.11 = 6,159.66/x
  3. Step 3: Cross multiply
    10,939.47x = 15,096.11 × 6,159.66
  4. Step 4: Simplify right side
    10,939.47x = 92,986,904.92
  5. Step 5: Solve for x
    x = 92,986,904.92/10,939.47
  6. Step 6: Final answer
    x = 8,500.13

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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.