Home / 13,488.67-20,233.20-5,169.11

Finding the Fourth Proportional to 13,488.67, 20,233.20 and 5,169.11

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Solution

The fourth proportional to 13,488.67, 20,233.20 and 5,169.11 is: 7,753.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,488.67 : 20,233.20 = 5,169.11 : x
  2. Step 2: Convert to fraction form
    13,488.67/20,233.20 = 5,169.11/x
  3. Step 3: Cross multiply
    13,488.67x = 20,233.20 × 5,169.11
  4. Step 4: Simplify right side
    13,488.67x = 104,587,636.45
  5. Step 5: Solve for x
    x = 104,587,636.45/13,488.67
  6. Step 6: Final answer
    x = 7,753.74

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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.