Home / 20,502.26-30,733.95-10,101.86

Finding the Fourth Proportional to 20,502.26, 30,733.95 and 10,101.86

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Solution

The fourth proportional to 20,502.26, 30,733.95 and 10,101.86 is: 15,143.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,502.26 : 30,733.95 = 10,101.86 : x
  2. Step 2: Convert to fraction form
    20,502.26/30,733.95 = 10,101.86/x
  3. Step 3: Cross multiply
    20,502.26x = 30,733.95 × 10,101.86
  4. Step 4: Simplify right side
    20,502.26x = 310,470,060.15
  5. Step 5: Solve for x
    x = 310,470,060.15/20,502.26
  6. Step 6: Final answer
    x = 15,143.21

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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.