Home / 10,154.68-15,228.78-3,227.56

Finding the Fourth Proportional to 10,154.68, 15,228.78 and 3,227.56

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Solution

The fourth proportional to 10,154.68, 15,228.78 and 3,227.56 is: 4,840.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,154.68 : 15,228.78 = 3,227.56 : x
  2. Step 2: Convert to fraction form
    10,154.68/15,228.78 = 3,227.56/x
  3. Step 3: Cross multiply
    10,154.68x = 15,228.78 × 3,227.56
  4. Step 4: Simplify right side
    10,154.68x = 49,151,801.18
  5. Step 5: Solve for x
    x = 49,151,801.18/10,154.68
  6. Step 6: Final answer
    x = 4,840.31

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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.