Home / 20,215.53-30,337.08-10,361.73

Finding the Fourth Proportional to 20,215.53, 30,337.08 and 10,361.73

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Solution

The fourth proportional to 20,215.53, 30,337.08 and 10,361.73 is: 15,549.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,215.53 : 30,337.08 = 10,361.73 : x
  2. Step 2: Convert to fraction form
    20,215.53/30,337.08 = 10,361.73/x
  3. Step 3: Cross multiply
    20,215.53x = 30,337.08 × 10,361.73
  4. Step 4: Simplify right side
    20,215.53x = 314,344,631.95
  5. Step 5: Solve for x
    x = 314,344,631.95/20,215.53
  6. Step 6: Final answer
    x = 15,549.66

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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.