Home / 22,519.64-31,069.50-13,080.44

Finding the Fourth Proportional to 22,519.64, 31,069.50 and 13,080.44

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Solution

The fourth proportional to 22,519.64, 31,069.50 and 13,080.44 is: 18,046.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,519.64 : 31,069.50 = 13,080.44 : x
  2. Step 2: Convert to fraction form
    22,519.64/31,069.50 = 13,080.44/x
  3. Step 3: Cross multiply
    22,519.64x = 31,069.50 × 13,080.44
  4. Step 4: Simplify right side
    22,519.64x = 406,402,730.58
  5. Step 5: Solve for x
    x = 406,402,730.58/22,519.64
  6. Step 6: Final answer
    x = 18,046.59

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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.