Home / 12,450.88-18,675.66-4,659.04

Finding the Fourth Proportional to 12,450.88, 18,675.66 and 4,659.04

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Solution

The fourth proportional to 12,450.88, 18,675.66 and 4,659.04 is: 6,988.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,450.88 : 18,675.66 = 4,659.04 : x
  2. Step 2: Convert to fraction form
    12,450.88/18,675.66 = 4,659.04/x
  3. Step 3: Cross multiply
    12,450.88x = 18,675.66 × 4,659.04
  4. Step 4: Simplify right side
    12,450.88x = 87,010,646.97
  5. Step 5: Solve for x
    x = 87,010,646.97/12,450.88
  6. Step 6: Final answer
    x = 6,988.31

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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.