Home / 13,508.47-20,248.53-7,576.66

Finding the Fourth Proportional to 13,508.47, 20,248.53 and 7,576.66

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Solution

The fourth proportional to 13,508.47, 20,248.53 and 7,576.66 is: 11,357.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,508.47 : 20,248.53 = 7,576.66 : x
  2. Step 2: Convert to fraction form
    13,508.47/20,248.53 = 7,576.66/x
  3. Step 3: Cross multiply
    13,508.47x = 20,248.53 × 7,576.66
  4. Step 4: Simplify right side
    13,508.47x = 153,416,227.31
  5. Step 5: Solve for x
    x = 153,416,227.31/13,508.47
  6. Step 6: Final answer
    x = 11,357.04

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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.