Home / 17,945.90-24,766.47-14,956.55

Finding the Fourth Proportional to 17,945.90, 24,766.47 and 14,956.55

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Solution

The fourth proportional to 17,945.90, 24,766.47 and 14,956.55 is: 20,640.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,945.90 : 24,766.47 = 14,956.55 : x
  2. Step 2: Convert to fraction form
    17,945.90/24,766.47 = 14,956.55/x
  3. Step 3: Cross multiply
    17,945.90x = 24,766.47 × 14,956.55
  4. Step 4: Simplify right side
    17,945.90x = 370,420,763.94
  5. Step 5: Solve for x
    x = 370,420,763.94/17,945.90
  6. Step 6: Final answer
    x = 20,640.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.