Home / 10,125.42-15,188.04-3,199.92

Finding the Fourth Proportional to 10,125.42, 15,188.04 and 3,199.92

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Solution

The fourth proportional to 10,125.42, 15,188.04 and 3,199.92 is: 4,799.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,125.42 : 15,188.04 = 3,199.92 : x
  2. Step 2: Convert to fraction form
    10,125.42/15,188.04 = 3,199.92/x
  3. Step 3: Cross multiply
    10,125.42x = 15,188.04 × 3,199.92
  4. Step 4: Simplify right side
    10,125.42x = 48,600,512.96
  5. Step 5: Solve for x
    x = 48,600,512.96/10,125.42
  6. Step 6: Final answer
    x = 4,799.85

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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.