Home / 14,691.24-20,266.40-9,380.48

Finding the Fourth Proportional to 14,691.24, 20,266.40 and 9,380.48

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Solution

The fourth proportional to 14,691.24, 20,266.40 and 9,380.48 is: 12,940.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,691.24 : 20,266.40 = 9,380.48 : x
  2. Step 2: Convert to fraction form
    14,691.24/20,266.40 = 9,380.48/x
  3. Step 3: Cross multiply
    14,691.24x = 20,266.40 × 9,380.48
  4. Step 4: Simplify right side
    14,691.24x = 190,108,481.99
  5. Step 5: Solve for x
    x = 190,108,481.99/14,691.24
  6. Step 6: Final answer
    x = 12,940.26

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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.