Home / 12,354.30-18,525.96-8,876.97

Finding the Fourth Proportional to 12,354.30, 18,525.96 and 8,876.97

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Solution

The fourth proportional to 12,354.30, 18,525.96 and 8,876.97 is: 13,311.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,354.30 : 18,525.96 = 8,876.97 : x
  2. Step 2: Convert to fraction form
    12,354.30/18,525.96 = 8,876.97/x
  3. Step 3: Cross multiply
    12,354.30x = 18,525.96 × 8,876.97
  4. Step 4: Simplify right side
    12,354.30x = 164,454,391.14
  5. Step 5: Solve for x
    x = 164,454,391.14/12,354.30
  6. Step 6: Final answer
    x = 13,311.51

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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.