Home / 10,118.72-15,178.08-4,276.16

Finding the Fourth Proportional to 10,118.72, 15,178.08 and 4,276.16

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Solution

The fourth proportional to 10,118.72, 15,178.08 and 4,276.16 is: 6,414.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,118.72 : 15,178.08 = 4,276.16 : x
  2. Step 2: Convert to fraction form
    10,118.72/15,178.08 = 4,276.16/x
  3. Step 3: Cross multiply
    10,118.72x = 15,178.08 × 4,276.16
  4. Step 4: Simplify right side
    10,118.72x = 64,903,898.57
  5. Step 5: Solve for x
    x = 64,903,898.57/10,118.72
  6. Step 6: Final answer
    x = 6,414.24

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Similar ratio
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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.