Home / 10,216.20-15,330.90-5,539.44

Finding the Fourth Proportional to 10,216.20, 15,330.90 and 5,539.44

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Solution

The fourth proportional to 10,216.20, 15,330.90 and 5,539.44 is: 8,312.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,216.20 : 15,330.90 = 5,539.44 : x
  2. Step 2: Convert to fraction form
    10,216.20/15,330.90 = 5,539.44/x
  3. Step 3: Cross multiply
    10,216.20x = 15,330.90 × 5,539.44
  4. Step 4: Simplify right side
    10,216.20x = 84,924,600.70
  5. Step 5: Solve for x
    x = 84,924,600.70/10,216.20
  6. Step 6: Final answer
    x = 8,312.74

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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.