Home / 20,194.57-30,298.04-10,340.82

Finding the Fourth Proportional to 20,194.57, 30,298.04 and 10,340.82

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Solution

The fourth proportional to 20,194.57, 30,298.04 and 10,340.82 is: 15,514.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,194.57 : 30,298.04 = 10,340.82 : x
  2. Step 2: Convert to fraction form
    20,194.57/30,298.04 = 10,340.82/x
  3. Step 3: Cross multiply
    20,194.57x = 30,298.04 × 10,340.82
  4. Step 4: Simplify right side
    20,194.57x = 313,306,565.07
  5. Step 5: Solve for x
    x = 313,306,565.07/20,194.57
  6. Step 6: Final answer
    x = 15,514.40

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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.