Home / 11,279.16-15,565.14-6,243.66

Finding the Fourth Proportional to 11,279.16, 15,565.14 and 6,243.66

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Solution

The fourth proportional to 11,279.16, 15,565.14 and 6,243.66 is: 8,616.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,279.16 : 15,565.14 = 6,243.66 : x
  2. Step 2: Convert to fraction form
    11,279.16/15,565.14 = 6,243.66/x
  3. Step 3: Cross multiply
    11,279.16x = 15,565.14 × 6,243.66
  4. Step 4: Simplify right side
    11,279.16x = 97,183,442.01
  5. Step 5: Solve for x
    x = 97,183,442.01/11,279.16
  6. Step 6: Final answer
    x = 8,616.20

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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.