Home / 13,552.38-20,328.57-8,934.30

Finding the Fourth Proportional to 13,552.38, 20,328.57 and 8,934.30

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Solution

The fourth proportional to 13,552.38, 20,328.57 and 8,934.30 is: 13,401.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,552.38 : 20,328.57 = 8,934.30 : x
  2. Step 2: Convert to fraction form
    13,552.38/20,328.57 = 8,934.30/x
  3. Step 3: Cross multiply
    13,552.38x = 20,328.57 × 8,934.30
  4. Step 4: Simplify right side
    13,552.38x = 181,621,542.95
  5. Step 5: Solve for x
    x = 181,621,542.95/13,552.38
  6. Step 6: Final answer
    x = 13,401.45

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Similar ratio
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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.