Home / 10,102.20-15,155.50-4,261.56

Finding the Fourth Proportional to 10,102.20, 15,155.50 and 4,261.56

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Solution

The fourth proportional to 10,102.20, 15,155.50 and 4,261.56 is: 6,393.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,102.20 : 15,155.50 = 4,261.56 : x
  2. Step 2: Convert to fraction form
    10,102.20/15,155.50 = 4,261.56/x
  3. Step 3: Cross multiply
    10,102.20x = 15,155.50 × 4,261.56
  4. Step 4: Simplify right side
    10,102.20x = 64,586,072.58
  5. Step 5: Solve for x
    x = 64,586,072.58/10,102.20
  6. Step 6: Final answer
    x = 6,393.27

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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.