Home / 23,519.30-32,451.05-13,310.47

Finding the Fourth Proportional to 23,519.30, 32,451.05 and 13,310.47

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Solution

The fourth proportional to 23,519.30, 32,451.05 and 13,310.47 is: 18,365.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,519.30 : 32,451.05 = 13,310.47 : x
  2. Step 2: Convert to fraction form
    23,519.30/32,451.05 = 13,310.47/x
  3. Step 3: Cross multiply
    23,519.30x = 32,451.05 × 13,310.47
  4. Step 4: Simplify right side
    23,519.30x = 431,938,679.64
  5. Step 5: Solve for x
    x = 431,938,679.64/23,519.30
  6. Step 6: Final answer
    x = 18,365.28

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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.