Home / 13,244.92-18,278.98-8,210.14

Finding the Fourth Proportional to 13,244.92, 18,278.98 and 8,210.14

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Solution

The fourth proportional to 13,244.92, 18,278.98 and 8,210.14 is: 11,330.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,244.92 : 18,278.98 = 8,210.14 : x
  2. Step 2: Convert to fraction form
    13,244.92/18,278.98 = 8,210.14/x
  3. Step 3: Cross multiply
    13,244.92x = 18,278.98 × 8,210.14
  4. Step 4: Simplify right side
    13,244.92x = 150,072,984.86
  5. Step 5: Solve for x
    x = 150,072,984.86/13,244.92
  6. Step 6: Final answer
    x = 11,330.61

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Half scale
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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.