Home / 12,801.45-19,202.22-4,902.12

Finding the Fourth Proportional to 12,801.45, 19,202.22 and 4,902.12

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Solution

The fourth proportional to 12,801.45, 19,202.22 and 4,902.12 is: 7,353.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,801.45 : 19,202.22 = 4,902.12 : x
  2. Step 2: Convert to fraction form
    12,801.45/19,202.22 = 4,902.12/x
  3. Step 3: Cross multiply
    12,801.45x = 19,202.22 × 4,902.12
  4. Step 4: Simplify right side
    12,801.45x = 94,131,586.71
  5. Step 5: Solve for x
    x = 94,131,586.71/12,801.45
  6. Step 6: Final answer
    x = 7,353.20

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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.