Home / 8,229.49-12,345.23-2,681.34

Finding the Fourth Proportional to 8,229.49, 12,345.23 and 2,681.34

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Solution

The fourth proportional to 8,229.49, 12,345.23 and 2,681.34 is: 4,022.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,229.49 : 12,345.23 = 2,681.34 : x
  2. Step 2: Convert to fraction form
    8,229.49/12,345.23 = 2,681.34/x
  3. Step 3: Cross multiply
    8,229.49x = 12,345.23 × 2,681.34
  4. Step 4: Simplify right side
    8,229.49x = 33,101,759.01
  5. Step 5: Solve for x
    x = 33,101,759.01/8,229.49
  6. Step 6: Final answer
    x = 4,022.33

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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.