Home / 11,081.15-15,290.07-6,235.20

Finding the Fourth Proportional to 11,081.15, 15,290.07 and 6,235.20

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Solution

The fourth proportional to 11,081.15, 15,290.07 and 6,235.20 is: 8,603.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,081.15 : 15,290.07 = 6,235.20 : x
  2. Step 2: Convert to fraction form
    11,081.15/15,290.07 = 6,235.20/x
  3. Step 3: Cross multiply
    11,081.15x = 15,290.07 × 6,235.20
  4. Step 4: Simplify right side
    11,081.15x = 95,336,644.46
  5. Step 5: Solve for x
    x = 95,336,644.46/11,081.15
  6. Step 6: Final answer
    x = 8,603.50

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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.