Home / 20,248.56-30,361.50-7,095.78

Finding the Fourth Proportional to 20,248.56, 30,361.50 and 7,095.78

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Solution

The fourth proportional to 20,248.56, 30,361.50 and 7,095.78 is: 10,639.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,248.56 : 30,361.50 = 7,095.78 : x
  2. Step 2: Convert to fraction form
    20,248.56/30,361.50 = 7,095.78/x
  3. Step 3: Cross multiply
    20,248.56x = 30,361.50 × 7,095.78
  4. Step 4: Simplify right side
    20,248.56x = 215,438,524.47
  5. Step 5: Solve for x
    x = 215,438,524.47/20,248.56
  6. Step 6: Final answer
    x = 10,639.70

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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.