Home / 20,288.17-30,432.59-9,194.95

Finding the Fourth Proportional to 20,288.17, 30,432.59 and 9,194.95

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Solution

The fourth proportional to 20,288.17, 30,432.59 and 9,194.95 is: 13,792.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,288.17 : 30,432.59 = 9,194.95 : x
  2. Step 2: Convert to fraction form
    20,288.17/30,432.59 = 9,194.95/x
  3. Step 3: Cross multiply
    20,288.17x = 30,432.59 × 9,194.95
  4. Step 4: Simplify right side
    20,288.17x = 279,826,120.43
  5. Step 5: Solve for x
    x = 279,826,120.43/20,288.17
  6. Step 6: Final answer
    x = 13,792.58

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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.