Home / 13,442.28-20,165.04-5,650.08

Finding the Fourth Proportional to 13,442.28, 20,165.04 and 5,650.08

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Solution

The fourth proportional to 13,442.28, 20,165.04 and 5,650.08 is: 8,475.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,442.28 : 20,165.04 = 5,650.08 : x
  2. Step 2: Convert to fraction form
    13,442.28/20,165.04 = 5,650.08/x
  3. Step 3: Cross multiply
    13,442.28x = 20,165.04 × 5,650.08
  4. Step 4: Simplify right side
    13,442.28x = 113,934,089.20
  5. Step 5: Solve for x
    x = 113,934,089.20/13,442.28
  6. Step 6: Final answer
    x = 8,475.80

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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.