Home / 14,101.08-21,154.04-5,785.62

Finding the Fourth Proportional to 14,101.08, 21,154.04 and 5,785.62

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Solution

The fourth proportional to 14,101.08, 21,154.04 and 5,785.62 is: 8,679.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,101.08 : 21,154.04 = 5,785.62 : x
  2. Step 2: Convert to fraction form
    14,101.08/21,154.04 = 5,785.62/x
  3. Step 3: Cross multiply
    14,101.08x = 21,154.04 × 5,785.62
  4. Step 4: Simplify right side
    14,101.08x = 122,389,236.90
  5. Step 5: Solve for x
    x = 122,389,236.90/14,101.08
  6. Step 6: Final answer
    x = 8,679.42

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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.