Home / 20,200.17-30,306.43-10,346.42

Finding the Fourth Proportional to 20,200.17, 30,306.43 and 10,346.42

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Solution

The fourth proportional to 20,200.17, 30,306.43 and 10,346.42 is: 15,522.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,200.17 : 30,306.43 = 10,346.42 : x
  2. Step 2: Convert to fraction form
    20,200.17/30,306.43 = 10,346.42/x
  3. Step 3: Cross multiply
    20,200.17x = 30,306.43 × 10,346.42
  4. Step 4: Simplify right side
    20,200.17x = 313,563,053.48
  5. Step 5: Solve for x
    x = 313,563,053.48/20,200.17
  6. Step 6: Final answer
    x = 15,522.79

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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.