Home / 10,966.89-15,134.55-6,251.07

Finding the Fourth Proportional to 10,966.89, 15,134.55 and 6,251.07

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Solution

The fourth proportional to 10,966.89, 15,134.55 and 6,251.07 is: 8,626.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,966.89 : 15,134.55 = 6,251.07 : x
  2. Step 2: Convert to fraction form
    10,966.89/15,134.55 = 6,251.07/x
  3. Step 3: Cross multiply
    10,966.89x = 15,134.55 × 6,251.07
  4. Step 4: Simplify right side
    10,966.89x = 94,607,131.47
  5. Step 5: Solve for x
    x = 94,607,131.47/10,966.89
  6. Step 6: Final answer
    x = 8,626.61

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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.