Home / 14,707.97-20,280.52-13,774.85

Finding the Fourth Proportional to 14,707.97, 20,280.52 and 13,774.85

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Solution

The fourth proportional to 14,707.97, 20,280.52 and 13,774.85 is: 18,993.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,707.97 : 20,280.52 = 13,774.85 : x
  2. Step 2: Convert to fraction form
    14,707.97/20,280.52 = 13,774.85/x
  3. Step 3: Cross multiply
    14,707.97x = 20,280.52 × 13,774.85
  4. Step 4: Simplify right side
    14,707.97x = 279,361,120.92
  5. Step 5: Solve for x
    x = 279,361,120.92/14,707.97
  6. Step 6: Final answer
    x = 18,993.86

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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.