Home / 10,154.76-15,228.88-3,227.64

Finding the Fourth Proportional to 10,154.76, 15,228.88 and 3,227.64

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Solution

The fourth proportional to 10,154.76, 15,228.88 and 3,227.64 is: 4,840.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,154.76 : 15,228.88 = 3,227.64 : x
  2. Step 2: Convert to fraction form
    10,154.76/15,228.88 = 3,227.64/x
  3. Step 3: Cross multiply
    10,154.76x = 15,228.88 × 3,227.64
  4. Step 4: Simplify right side
    10,154.76x = 49,153,342.24
  5. Step 5: Solve for x
    x = 49,153,342.24/10,154.76
  6. Step 6: Final answer
    x = 4,840.42

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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.