Home / 12,902.11-19,357.26-5,881.84

Finding the Fourth Proportional to 12,902.11, 19,357.26 and 5,881.84

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Solution

The fourth proportional to 12,902.11, 19,357.26 and 5,881.84 is: 8,824.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,902.11 : 19,357.26 = 5,881.84 : x
  2. Step 2: Convert to fraction form
    12,902.11/19,357.26 = 5,881.84/x
  3. Step 3: Cross multiply
    12,902.11x = 19,357.26 × 5,881.84
  4. Step 4: Simplify right side
    12,902.11x = 113,856,306.16
  5. Step 5: Solve for x
    x = 113,856,306.16/12,902.11
  6. Step 6: Final answer
    x = 8,824.63

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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.