Home / 10,204.68-15,305.24-2,807.36

Finding the Fourth Proportional to 10,204.68, 15,305.24 and 2,807.36

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Solution

The fourth proportional to 10,204.68, 15,305.24 and 2,807.36 is: 4,210.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,204.68 : 15,305.24 = 2,807.36 : x
  2. Step 2: Convert to fraction form
    10,204.68/15,305.24 = 2,807.36/x
  3. Step 3: Cross multiply
    10,204.68x = 15,305.24 × 2,807.36
  4. Step 4: Simplify right side
    10,204.68x = 42,967,318.57
  5. Step 5: Solve for x
    x = 42,967,318.57/10,204.68
  6. Step 6: Final answer
    x = 4,210.55

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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.