Home / 20,073.17-30,164.22-10,719.69

Finding the Fourth Proportional to 20,073.17, 30,164.22 and 10,719.69

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Solution

The fourth proportional to 20,073.17, 30,164.22 and 10,719.69 is: 16,108.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,073.17 : 30,164.22 = 10,719.69 : x
  2. Step 2: Convert to fraction form
    20,073.17/30,164.22 = 10,719.69/x
  3. Step 3: Cross multiply
    20,073.17x = 30,164.22 × 10,719.69
  4. Step 4: Simplify right side
    20,073.17x = 323,351,087.49
  5. Step 5: Solve for x
    x = 323,351,087.49/20,073.17
  6. Step 6: Final answer
    x = 16,108.62

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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.