Home / 10,247.79-15,375.44-4,326.15

Finding the Fourth Proportional to 10,247.79, 15,375.44 and 4,326.15

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Solution

The fourth proportional to 10,247.79, 15,375.44 and 4,326.15 is: 6,490.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,247.79 : 15,375.44 = 4,326.15 : x
  2. Step 2: Convert to fraction form
    10,247.79/15,375.44 = 4,326.15/x
  3. Step 3: Cross multiply
    10,247.79x = 15,375.44 × 4,326.15
  4. Step 4: Simplify right side
    10,247.79x = 66,516,438.13
  5. Step 5: Solve for x
    x = 66,516,438.13/10,247.79
  6. Step 6: Final answer
    x = 6,490.81

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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.