Home / 12,765.48-19,148.22-4,001.08

Finding the Fourth Proportional to 12,765.48, 19,148.22 and 4,001.08

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Solution

The fourth proportional to 12,765.48, 19,148.22 and 4,001.08 is: 6,001.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,765.48 : 19,148.22 = 4,001.08 : x
  2. Step 2: Convert to fraction form
    12,765.48/19,148.22 = 4,001.08/x
  3. Step 3: Cross multiply
    12,765.48x = 19,148.22 × 4,001.08
  4. Step 4: Simplify right side
    12,765.48x = 76,613,560.08
  5. Step 5: Solve for x
    x = 76,613,560.08/12,765.48
  6. Step 6: Final answer
    x = 6,001.62

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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.