Home / 10,158.55-15,240.93-4,825.78

Finding the Fourth Proportional to 10,158.55, 15,240.93 and 4,825.78

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Solution

The fourth proportional to 10,158.55, 15,240.93 and 4,825.78 is: 7,240.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,158.55 : 15,240.93 = 4,825.78 : x
  2. Step 2: Convert to fraction form
    10,158.55/15,240.93 = 4,825.78/x
  3. Step 3: Cross multiply
    10,158.55x = 15,240.93 × 4,825.78
  4. Step 4: Simplify right side
    10,158.55x = 73,549,375.18
  5. Step 5: Solve for x
    x = 73,549,375.18/10,158.55
  6. Step 6: Final answer
    x = 7,240.15

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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.