Home / 10,102.02-15,144.39-6,631.62

Finding the Fourth Proportional to 10,102.02, 15,144.39 and 6,631.62

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Solution

The fourth proportional to 10,102.02, 15,144.39 and 6,631.62 is: 9,941.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,102.02 : 15,144.39 = 6,631.62 : x
  2. Step 2: Convert to fraction form
    10,102.02/15,144.39 = 6,631.62/x
  3. Step 3: Cross multiply
    10,102.02x = 15,144.39 × 6,631.62
  4. Step 4: Simplify right side
    10,102.02x = 100,431,839.61
  5. Step 5: Solve for x
    x = 100,431,839.61/10,102.02
  6. Step 6: Final answer
    x = 9,941.76

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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.