Home / 13,529.47-20,294.21-8,853.42

Finding the Fourth Proportional to 13,529.47, 20,294.21 and 8,853.42

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Solution

The fourth proportional to 13,529.47, 20,294.21 and 8,853.42 is: 13,280.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,529.47 : 20,294.21 = 8,853.42 : x
  2. Step 2: Convert to fraction form
    13,529.47/20,294.21 = 8,853.42/x
  3. Step 3: Cross multiply
    13,529.47x = 20,294.21 × 8,853.42
  4. Step 4: Simplify right side
    13,529.47x = 179,673,164.70
  5. Step 5: Solve for x
    x = 179,673,164.70/13,529.47
  6. Step 6: Final answer
    x = 13,280.13

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Double scale
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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.