Home / 11,065.67-15,260.36-8,239.98

Finding the Fourth Proportional to 11,065.67, 15,260.36 and 8,239.98

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Solution

The fourth proportional to 11,065.67, 15,260.36 and 8,239.98 is: 11,363.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,065.67 : 15,260.36 = 8,239.98 : x
  2. Step 2: Convert to fraction form
    11,065.67/15,260.36 = 8,239.98/x
  3. Step 3: Cross multiply
    11,065.67x = 15,260.36 × 8,239.98
  4. Step 4: Simplify right side
    11,065.67x = 125,745,061.19
  5. Step 5: Solve for x
    x = 125,745,061.19/11,065.67
  6. Step 6: Final answer
    x = 11,363.53

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Similar ratio
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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.