Home / 15,352.60-21,175.26-11,373.88

Finding the Fourth Proportional to 15,352.60, 21,175.26 and 11,373.88

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Solution

The fourth proportional to 15,352.60, 21,175.26 and 11,373.88 is: 15,687.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,352.60 : 21,175.26 = 11,373.88 : x
  2. Step 2: Convert to fraction form
    15,352.60/21,175.26 = 11,373.88/x
  3. Step 3: Cross multiply
    15,352.60x = 21,175.26 × 11,373.88
  4. Step 4: Simplify right side
    15,352.60x = 240,844,866.21
  5. Step 5: Solve for x
    x = 240,844,866.21/15,352.60
  6. Step 6: Final answer
    x = 15,687.56

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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.