Home / 11,360.25-15,679.31-6,392.25

Finding the Fourth Proportional to 11,360.25, 15,679.31 and 6,392.25

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Solution

The fourth proportional to 11,360.25, 15,679.31 and 6,392.25 is: 8,822.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,360.25 : 15,679.31 = 6,392.25 : x
  2. Step 2: Convert to fraction form
    11,360.25/15,679.31 = 6,392.25/x
  3. Step 3: Cross multiply
    11,360.25x = 15,679.31 × 6,392.25
  4. Step 4: Simplify right side
    11,360.25x = 100,226,037.39
  5. Step 5: Solve for x
    x = 100,226,037.39/11,360.25
  6. Step 6: Final answer
    x = 8,822.52

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Half 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.