Home / 14,006.38-21,009.57-3,618.13

Finding the Fourth Proportional to 14,006.38, 21,009.57 and 3,618.13

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Solution

The fourth proportional to 14,006.38, 21,009.57 and 3,618.13 is: 5,427.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,006.38 : 21,009.57 = 3,618.13 : x
  2. Step 2: Convert to fraction form
    14,006.38/21,009.57 = 3,618.13/x
  3. Step 3: Cross multiply
    14,006.38x = 21,009.57 × 3,618.13
  4. Step 4: Simplify right side
    14,006.38x = 76,015,355.50
  5. Step 5: Solve for x
    x = 76,015,355.50/14,006.38
  6. Step 6: Final answer
    x = 5,427.20

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