Home / 20,351.52-30,522.69-10,346.13

Finding the Fourth Proportional to 20,351.52, 30,522.69 and 10,346.13

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Solution

The fourth proportional to 20,351.52, 30,522.69 and 10,346.13 is: 15,516.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,351.52 : 30,522.69 = 10,346.13 : x
  2. Step 2: Convert to fraction form
    20,351.52/30,522.69 = 10,346.13/x
  3. Step 3: Cross multiply
    20,351.52x = 30,522.69 × 10,346.13
  4. Step 4: Simplify right side
    20,351.52x = 315,791,718.69
  5. Step 5: Solve for x
    x = 315,791,718.69/20,351.52
  6. Step 6: Final answer
    x = 15,516.86

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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.