Home / 10,079.77-15,119.66-8,344.75

Finding the Fourth Proportional to 10,079.77, 15,119.66 and 8,344.75

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Solution

The fourth proportional to 10,079.77, 15,119.66 and 8,344.75 is: 12,517.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,079.77 : 15,119.66 = 8,344.75 : x
  2. Step 2: Convert to fraction form
    10,079.77/15,119.66 = 8,344.75/x
  3. Step 3: Cross multiply
    10,079.77x = 15,119.66 × 8,344.75
  4. Step 4: Simplify right side
    10,079.77x = 126,169,782.79
  5. Step 5: Solve for x
    x = 126,169,782.79/10,079.77
  6. Step 6: Final answer
    x = 12,517.13

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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.