Home / 20,176.38-30,292.65-10,322.46

Finding the Fourth Proportional to 20,176.38, 30,292.65 and 10,322.46

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Solution

The fourth proportional to 20,176.38, 30,292.65 and 10,322.46 is: 15,498.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,176.38 : 30,292.65 = 10,322.46 : x
  2. Step 2: Convert to fraction form
    20,176.38/30,292.65 = 10,322.46/x
  3. Step 3: Cross multiply
    20,176.38x = 30,292.65 × 10,322.46
  4. Step 4: Simplify right side
    20,176.38x = 312,694,667.92
  5. Step 5: Solve for x
    x = 312,694,667.92/20,176.38
  6. Step 6: Final answer
    x = 15,498.06

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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.