Home / 14,519.60-20,041.56-11,540.72

Finding the Fourth Proportional to 14,519.60, 20,041.56 and 11,540.72

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Solution

The fourth proportional to 14,519.60, 20,041.56 and 11,540.72 is: 15,929.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,519.60 : 20,041.56 = 11,540.72 : x
  2. Step 2: Convert to fraction form
    14,519.60/20,041.56 = 11,540.72/x
  3. Step 3: Cross multiply
    14,519.60x = 20,041.56 × 11,540.72
  4. Step 4: Simplify right side
    14,519.60x = 231,294,032.32
  5. Step 5: Solve for x
    x = 231,294,032.32/14,519.60
  6. Step 6: Final answer
    x = 15,929.78

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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.