Home / 15,550.92-21,460.41-9,177.66

Finding the Fourth Proportional to 15,550.92, 21,460.41 and 9,177.66

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Solution

The fourth proportional to 15,550.92, 21,460.41 and 9,177.66 is: 12,665.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,550.92 : 21,460.41 = 9,177.66 : x
  2. Step 2: Convert to fraction form
    15,550.92/21,460.41 = 9,177.66/x
  3. Step 3: Cross multiply
    15,550.92x = 21,460.41 × 9,177.66
  4. Step 4: Simplify right side
    15,550.92x = 196,956,346.44
  5. Step 5: Solve for x
    x = 196,956,346.44/15,550.92
  6. Step 6: Final answer
    x = 12,665.25

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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.