Home / 10,167.11-15,250.70-6,660.06

Finding the Fourth Proportional to 10,167.11, 15,250.70 and 6,660.06

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Solution

The fourth proportional to 10,167.11, 15,250.70 and 6,660.06 is: 9,990.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,167.11 : 15,250.70 = 6,660.06 : x
  2. Step 2: Convert to fraction form
    10,167.11/15,250.70 = 6,660.06/x
  3. Step 3: Cross multiply
    10,167.11x = 15,250.70 × 6,660.06
  4. Step 4: Simplify right side
    10,167.11x = 101,570,543.74
  5. Step 5: Solve for x
    x = 101,570,543.74/10,167.11
  6. Step 6: Final answer
    x = 9,990.11

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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.