Home / 12,200.90-18,301.86-5,953.46

Finding the Fourth Proportional to 12,200.90, 18,301.86 and 5,953.46

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Solution

The fourth proportional to 12,200.90, 18,301.86 and 5,953.46 is: 8,930.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,200.90 : 18,301.86 = 5,953.46 : x
  2. Step 2: Convert to fraction form
    12,200.90/18,301.86 = 5,953.46/x
  3. Step 3: Cross multiply
    12,200.90x = 18,301.86 × 5,953.46
  4. Step 4: Simplify right side
    12,200.90x = 108,959,299.93
  5. Step 5: Solve for x
    x = 108,959,299.93/12,200.90
  6. Step 6: Final answer
    x = 8,930.44

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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.