Home / 20,924.06-28,863.14-12,535.70

Finding the Fourth Proportional to 20,924.06, 28,863.14 and 12,535.70

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Solution

The fourth proportional to 20,924.06, 28,863.14 and 12,535.70 is: 17,292.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,924.06 : 28,863.14 = 12,535.70 : x
  2. Step 2: Convert to fraction form
    20,924.06/28,863.14 = 12,535.70/x
  3. Step 3: Cross multiply
    20,924.06x = 28,863.14 × 12,535.70
  4. Step 4: Simplify right side
    20,924.06x = 361,819,664.10
  5. Step 5: Solve for x
    x = 361,819,664.10/20,924.06
  6. Step 6: Final answer
    x = 17,292.04

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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.