Home / 9,372.39-12,927.63-6,815.85

Finding the Fourth Proportional to 9,372.39, 12,927.63 and 6,815.85

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Solution

The fourth proportional to 9,372.39, 12,927.63 and 6,815.85 is: 9,401.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,372.39 : 12,927.63 = 6,815.85 : x
  2. Step 2: Convert to fraction form
    9,372.39/12,927.63 = 6,815.85/x
  3. Step 3: Cross multiply
    9,372.39x = 12,927.63 × 6,815.85
  4. Step 4: Simplify right side
    9,372.39x = 88,112,786.94
  5. Step 5: Solve for x
    x = 88,112,786.94/9,372.39
  6. Step 6: Final answer
    x = 9,401.31

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Half scale
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Double scale
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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.