Home / 10,118.96-15,179.52-4,276.16

Finding the Fourth Proportional to 10,118.96, 15,179.52 and 4,276.16

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Solution

The fourth proportional to 10,118.96, 15,179.52 and 4,276.16 is: 6,414.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,118.96 : 15,179.52 = 4,276.16 : x
  2. Step 2: Convert to fraction form
    10,118.96/15,179.52 = 4,276.16/x
  3. Step 3: Cross multiply
    10,118.96x = 15,179.52 × 4,276.16
  4. Step 4: Simplify right side
    10,118.96x = 64,910,056.24
  5. Step 5: Solve for x
    x = 64,910,056.24/10,118.96
  6. Step 6: Final answer
    x = 6,414.70

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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.