Home / 10,049.20-13,862.10-6,270.55

Finding the Fourth Proportional to 10,049.20, 13,862.10 and 6,270.55

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Solution

The fourth proportional to 10,049.20, 13,862.10 and 6,270.55 is: 8,649.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,049.20 : 13,862.10 = 6,270.55 : x
  2. Step 2: Convert to fraction form
    10,049.20/13,862.10 = 6,270.55/x
  3. Step 3: Cross multiply
    10,049.20x = 13,862.10 × 6,270.55
  4. Step 4: Simplify right side
    10,049.20x = 86,922,991.16
  5. Step 5: Solve for x
    x = 86,922,991.16/10,049.20
  6. Step 6: Final answer
    x = 8,649.74

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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.