Home / 10,818.45-16,230.38-3,027.20

Finding the Fourth Proportional to 10,818.45, 16,230.38 and 3,027.20

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Solution

The fourth proportional to 10,818.45, 16,230.38 and 3,027.20 is: 4,541.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,818.45 : 16,230.38 = 3,027.20 : x
  2. Step 2: Convert to fraction form
    10,818.45/16,230.38 = 3,027.20/x
  3. Step 3: Cross multiply
    10,818.45x = 16,230.38 × 3,027.20
  4. Step 4: Simplify right side
    10,818.45x = 49,132,510.05
  5. Step 5: Solve for x
    x = 49,132,510.05/10,818.45
  6. Step 6: Final answer
    x = 4,541.55

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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.