Home / 11,247.57-15,521.52-6,211.69

Finding the Fourth Proportional to 11,247.57, 15,521.52 and 6,211.69

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Solution

The fourth proportional to 11,247.57, 15,521.52 and 6,211.69 is: 8,572.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,247.57 : 15,521.52 = 6,211.69 : x
  2. Step 2: Convert to fraction form
    11,247.57/15,521.52 = 6,211.69/x
  3. Step 3: Cross multiply
    11,247.57x = 15,521.52 × 6,211.69
  4. Step 4: Simplify right side
    11,247.57x = 96,414,870.57
  5. Step 5: Solve for x
    x = 96,414,870.57/11,247.57
  6. Step 6: Final answer
    x = 8,572.06

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Half scale
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Double scale
Find fourth proportional to 11,248.57, 15,522.90 and 6,212.69
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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.