Home / 11,247.80-15,387.06-11,200.41

Finding the Fourth Proportional to 11,247.80, 15,387.06 and 11,200.41

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Solution

The fourth proportional to 11,247.80, 15,387.06 and 11,200.41 is: 15,322.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,247.80 : 15,387.06 = 11,200.41 : x
  2. Step 2: Convert to fraction form
    11,247.80/15,387.06 = 11,200.41/x
  3. Step 3: Cross multiply
    11,247.80x = 15,387.06 × 11,200.41
  4. Step 4: Simplify right side
    11,247.80x = 172,341,422.70
  5. Step 5: Solve for x
    x = 172,341,422.70/11,247.80
  6. Step 6: Final answer
    x = 15,322.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.