Home / 10,247.13-14,142.11-6,270.90

Finding the Fourth Proportional to 10,247.13, 14,142.11 and 6,270.90

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Solution

The fourth proportional to 10,247.13, 14,142.11 and 6,270.90 is: 8,654.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,247.13 : 14,142.11 = 6,270.90 : x
  2. Step 2: Convert to fraction form
    10,247.13/14,142.11 = 6,270.90/x
  3. Step 3: Cross multiply
    10,247.13x = 14,142.11 × 6,270.90
  4. Step 4: Simplify right side
    10,247.13x = 88,683,757.60
  5. Step 5: Solve for x
    x = 88,683,757.60/10,247.13
  6. Step 6: Final answer
    x = 8,654.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.