Home / 20,944.74-31,410.45-6,902.15

Finding the Fourth Proportional to 20,944.74, 31,410.45 and 6,902.15

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Solution

The fourth proportional to 20,944.74, 31,410.45 and 6,902.15 is: 10,351.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,944.74 : 31,410.45 = 6,902.15 : x
  2. Step 2: Convert to fraction form
    20,944.74/31,410.45 = 6,902.15/x
  3. Step 3: Cross multiply
    20,944.74x = 31,410.45 × 6,902.15
  4. Step 4: Simplify right side
    20,944.74x = 216,799,637.47
  5. Step 5: Solve for x
    x = 216,799,637.47/20,944.74
  6. Step 6: Final answer
    x = 10,351.03

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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.