Home / 20,497.55-30,748.14-10,634.18

Finding the Fourth Proportional to 20,497.55, 30,748.14 and 10,634.18

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Solution

The fourth proportional to 20,497.55, 30,748.14 and 10,634.18 is: 15,952.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,497.55 : 30,748.14 = 10,634.18 : x
  2. Step 2: Convert to fraction form
    20,497.55/30,748.14 = 10,634.18/x
  3. Step 3: Cross multiply
    20,497.55x = 30,748.14 × 10,634.18
  4. Step 4: Simplify right side
    20,497.55x = 326,981,101.68
  5. Step 5: Solve for x
    x = 326,981,101.68/20,497.55
  6. Step 6: Final answer
    x = 15,952.21

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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.