Home / 10,125.32-15,189.60-4,282

Finding the Fourth Proportional to 10,125.32, 15,189.60 and 4,282

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Solution

The fourth proportional to 10,125.32, 15,189.60 and 4,282 is: 6,423.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,125.32 : 15,189.60 = 4,282 : x
  2. Step 2: Convert to fraction form
    10,125.32/15,189.60 = 4,282/x
  3. Step 3: Cross multiply
    10,125.32x = 15,189.60 × 4,282
  4. Step 4: Simplify right side
    10,125.32x = 65,041,867.20
  5. Step 5: Solve for x
    x = 65,041,867.20/10,125.32
  6. Step 6: Final answer
    x = 6,423.69

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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.