Home / 15,442.42-23,163.58-5,581.69

Finding the Fourth Proportional to 15,442.42, 23,163.58 and 5,581.69

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Solution

The fourth proportional to 15,442.42, 23,163.58 and 5,581.69 is: 8,372.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,442.42 : 23,163.58 = 5,581.69 : x
  2. Step 2: Convert to fraction form
    15,442.42/23,163.58 = 5,581.69/x
  3. Step 3: Cross multiply
    15,442.42x = 23,163.58 × 5,581.69
  4. Step 4: Simplify right side
    15,442.42x = 129,291,922.85
  5. Step 5: Solve for x
    x = 129,291,922.85/15,442.42
  6. Step 6: Final answer
    x = 8,372.52

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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.