Home / 20,207.06-30,291.15-10,350.98

Finding the Fourth Proportional to 20,207.06, 30,291.15 and 10,350.98

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Solution

The fourth proportional to 20,207.06, 30,291.15 and 10,350.98 is: 15,516.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,207.06 : 30,291.15 = 10,350.98 : x
  2. Step 2: Convert to fraction form
    20,207.06/30,291.15 = 10,350.98/x
  3. Step 3: Cross multiply
    20,207.06x = 30,291.15 × 10,350.98
  4. Step 4: Simplify right side
    20,207.06x = 313,543,087.83
  5. Step 5: Solve for x
    x = 313,543,087.83/20,207.06
  6. Step 6: Final answer
    x = 15,516.51

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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.