Home / 20,637.06-30,951.48-10,102.56

Finding the Fourth Proportional to 20,637.06, 30,951.48 and 10,102.56

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Solution

The fourth proportional to 20,637.06, 30,951.48 and 10,102.56 is: 15,151.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,637.06 : 30,951.48 = 10,102.56 : x
  2. Step 2: Convert to fraction form
    20,637.06/30,951.48 = 10,102.56/x
  3. Step 3: Cross multiply
    20,637.06x = 30,951.48 × 10,102.56
  4. Step 4: Simplify right side
    20,637.06x = 312,689,183.79
  5. Step 5: Solve for x
    x = 312,689,183.79/20,637.06
  6. Step 6: Final answer
    x = 15,151.83

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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.