Home / 10,079.50-15,121.38-4,232.74

Finding the Fourth Proportional to 10,079.50, 15,121.38 and 4,232.74

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Solution

The fourth proportional to 10,079.50, 15,121.38 and 4,232.74 is: 6,350.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,079.50 : 15,121.38 = 4,232.74 : x
  2. Step 2: Convert to fraction form
    10,079.50/15,121.38 = 4,232.74/x
  3. Step 3: Cross multiply
    10,079.50x = 15,121.38 × 4,232.74
  4. Step 4: Simplify right side
    10,079.50x = 64,004,869.98
  5. Step 5: Solve for x
    x = 64,004,869.98/10,079.50
  6. Step 6: Final answer
    x = 6,350.00

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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.