Home / 8,244.12-12,355.23-7,143.33

Finding the Fourth Proportional to 8,244.12, 12,355.23 and 7,143.33

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Solution

The fourth proportional to 8,244.12, 12,355.23 and 7,143.33 is: 10,705.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,244.12 : 12,355.23 = 7,143.33 : x
  2. Step 2: Convert to fraction form
    8,244.12/12,355.23 = 7,143.33/x
  3. Step 3: Cross multiply
    8,244.12x = 12,355.23 × 7,143.33
  4. Step 4: Simplify right side
    8,244.12x = 88,257,485.12
  5. Step 5: Solve for x
    x = 88,257,485.12/8,244.12
  6. Step 6: Final answer
    x = 10,705.51

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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.