Home / 11,205.60-15,460.32-6,488.97

Finding the Fourth Proportional to 11,205.60, 15,460.32 and 6,488.97

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Solution

The fourth proportional to 11,205.60, 15,460.32 and 6,488.97 is: 8,952.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,205.60 : 15,460.32 = 6,488.97 : x
  2. Step 2: Convert to fraction form
    11,205.60/15,460.32 = 6,488.97/x
  3. Step 3: Cross multiply
    11,205.60x = 15,460.32 × 6,488.97
  4. Step 4: Simplify right side
    11,205.60x = 100,321,552.67
  5. Step 5: Solve for x
    x = 100,321,552.67/11,205.60
  6. Step 6: Final answer
    x = 8,952.81

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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.