Home / 12,125.52-18,188.28-4,333.86

Finding the Fourth Proportional to 12,125.52, 18,188.28 and 4,333.86

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Solution

The fourth proportional to 12,125.52, 18,188.28 and 4,333.86 is: 6,500.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,125.52 : 18,188.28 = 4,333.86 : x
  2. Step 2: Convert to fraction form
    12,125.52/18,188.28 = 4,333.86/x
  3. Step 3: Cross multiply
    12,125.52x = 18,188.28 × 4,333.86
  4. Step 4: Simplify right side
    12,125.52x = 78,825,459.16
  5. Step 5: Solve for x
    x = 78,825,459.16/12,125.52
  6. Step 6: Final answer
    x = 6,500.79

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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.