Home / 10,127.92-15,191.79-3,202.42

Finding the Fourth Proportional to 10,127.92, 15,191.79 and 3,202.42

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Solution

The fourth proportional to 10,127.92, 15,191.79 and 3,202.42 is: 4,803.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,127.92 : 15,191.79 = 3,202.42 : x
  2. Step 2: Convert to fraction form
    10,127.92/15,191.79 = 3,202.42/x
  3. Step 3: Cross multiply
    10,127.92x = 15,191.79 × 3,202.42
  4. Step 4: Simplify right side
    10,127.92x = 48,650,492.13
  5. Step 5: Solve for x
    x = 48,650,492.13/10,127.92
  6. Step 6: Final answer
    x = 4,803.60

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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.