Home / 13,275.13-19,906.20-7,575.43

Finding the Fourth Proportional to 13,275.13, 19,906.20 and 7,575.43

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Solution

The fourth proportional to 13,275.13, 19,906.20 and 7,575.43 is: 11,359.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,275.13 : 19,906.20 = 7,575.43 : x
  2. Step 2: Convert to fraction form
    13,275.13/19,906.20 = 7,575.43/x
  3. Step 3: Cross multiply
    13,275.13x = 19,906.20 × 7,575.43
  4. Step 4: Simplify right side
    13,275.13x = 150,798,024.67
  5. Step 5: Solve for x
    x = 150,798,024.67/13,275.13
  6. Step 6: Final answer
    x = 11,359.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.