Home / 11,118.75-15,344.36-6,150.75

Finding the Fourth Proportional to 11,118.75, 15,344.36 and 6,150.75

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Solution

The fourth proportional to 11,118.75, 15,344.36 and 6,150.75 is: 8,488.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,118.75 : 15,344.36 = 6,150.75 : x
  2. Step 2: Convert to fraction form
    11,118.75/15,344.36 = 6,150.75/x
  3. Step 3: Cross multiply
    11,118.75x = 15,344.36 × 6,150.75
  4. Step 4: Simplify right side
    11,118.75x = 94,379,291.52
  5. Step 5: Solve for x
    x = 94,379,291.52/11,118.75
  6. Step 6: Final answer
    x = 8,488.30

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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.