Home / 12,450.15-18,677.52-3,565.10

Finding the Fourth Proportional to 12,450.15, 18,677.52 and 3,565.10

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Solution

The fourth proportional to 12,450.15, 18,677.52 and 3,565.10 is: 5,348.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,450.15 : 18,677.52 = 3,565.10 : x
  2. Step 2: Convert to fraction form
    12,450.15/18,677.52 = 3,565.10/x
  3. Step 3: Cross multiply
    12,450.15x = 18,677.52 × 3,565.10
  4. Step 4: Simplify right side
    12,450.15x = 66,587,273.25
  5. Step 5: Solve for x
    x = 66,587,273.25/12,450.15
  6. Step 6: Final answer
    x = 5,348.31

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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.