Home / 10,242.88-15,364.50-4,399.60

Finding the Fourth Proportional to 10,242.88, 15,364.50 and 4,399.60

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Solution

The fourth proportional to 10,242.88, 15,364.50 and 4,399.60 is: 6,599.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,242.88 : 15,364.50 = 4,399.60 : x
  2. Step 2: Convert to fraction form
    10,242.88/15,364.50 = 4,399.60/x
  3. Step 3: Cross multiply
    10,242.88x = 15,364.50 × 4,399.60
  4. Step 4: Simplify right side
    10,242.88x = 67,597,654.20
  5. Step 5: Solve for x
    x = 67,597,654.20/10,242.88
  6. Step 6: Final answer
    x = 6,599.48

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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.