Home / 13,370.96-18,452.22-8,663.42

Finding the Fourth Proportional to 13,370.96, 18,452.22 and 8,663.42

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Solution

The fourth proportional to 13,370.96, 18,452.22 and 8,663.42 is: 11,955.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,370.96 : 18,452.22 = 8,663.42 : x
  2. Step 2: Convert to fraction form
    13,370.96/18,452.22 = 8,663.42/x
  3. Step 3: Cross multiply
    13,370.96x = 18,452.22 × 8,663.42
  4. Step 4: Simplify right side
    13,370.96x = 159,859,331.79
  5. Step 5: Solve for x
    x = 159,859,331.79/13,370.96
  6. Step 6: Final answer
    x = 11,955.71

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.