Home / 11,269.38-16,908.02-3,478.20

Finding the Fourth Proportional to 11,269.38, 16,908.02 and 3,478.20

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Solution

The fourth proportional to 11,269.38, 16,908.02 and 3,478.20 is: 5,218.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,269.38 : 16,908.02 = 3,478.20 : x
  2. Step 2: Convert to fraction form
    11,269.38/16,908.02 = 3,478.20/x
  3. Step 3: Cross multiply
    11,269.38x = 16,908.02 × 3,478.20
  4. Step 4: Simplify right side
    11,269.38x = 58,809,475.16
  5. Step 5: Solve for x
    x = 58,809,475.16/11,269.38
  6. Step 6: Final answer
    x = 5,218.52

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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.