Home / 10,203.24-15,304.85-2,807.74

Finding the Fourth Proportional to 10,203.24, 15,304.85 and 2,807.74

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Solution

The fourth proportional to 10,203.24, 15,304.85 and 2,807.74 is: 4,211.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,203.24 : 15,304.85 = 2,807.74 : x
  2. Step 2: Convert to fraction form
    10,203.24/15,304.85 = 2,807.74/x
  3. Step 3: Cross multiply
    10,203.24x = 15,304.85 × 2,807.74
  4. Step 4: Simplify right side
    10,203.24x = 42,972,039.54
  5. Step 5: Solve for x
    x = 42,972,039.54/10,203.24
  6. Step 6: Final answer
    x = 4,211.61

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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.