Home / 8,316.19-12,463.49-3,380.09

Finding the Fourth Proportional to 8,316.19, 12,463.49 and 3,380.09

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Solution

The fourth proportional to 8,316.19, 12,463.49 and 3,380.09 is: 5,065.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,316.19 : 12,463.49 = 3,380.09 : x
  2. Step 2: Convert to fraction form
    8,316.19/12,463.49 = 3,380.09/x
  3. Step 3: Cross multiply
    8,316.19x = 12,463.49 × 3,380.09
  4. Step 4: Simplify right side
    8,316.19x = 42,127,638.70
  5. Step 5: Solve for x
    x = 42,127,638.70/8,316.19
  6. Step 6: Final answer
    x = 5,065.74

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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.