Home / 10,366.80-15,550.20-7,250.33

Finding the Fourth Proportional to 10,366.80, 15,550.20 and 7,250.33

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Solution

The fourth proportional to 10,366.80, 15,550.20 and 7,250.33 is: 10,875.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,366.80 : 15,550.20 = 7,250.33 : x
  2. Step 2: Convert to fraction form
    10,366.80/15,550.20 = 7,250.33/x
  3. Step 3: Cross multiply
    10,366.80x = 15,550.20 × 7,250.33
  4. Step 4: Simplify right side
    10,366.80x = 112,744,003.82
  5. Step 5: Solve for x
    x = 112,744,003.82/10,366.80
  6. Step 6: Final answer
    x = 10,875.49

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.