Home / 13,211.79-19,784.82-9,244.49

Finding the Fourth Proportional to 13,211.79, 19,784.82 and 9,244.49

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Solution

The fourth proportional to 13,211.79, 19,784.82 and 9,244.49 is: 13,843.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,211.79 : 19,784.82 = 9,244.49 : x
  2. Step 2: Convert to fraction form
    13,211.79/19,784.82 = 9,244.49/x
  3. Step 3: Cross multiply
    13,211.79x = 19,784.82 × 9,244.49
  4. Step 4: Simplify right side
    13,211.79x = 182,900,471.72
  5. Step 5: Solve for x
    x = 182,900,471.72/13,211.79
  6. Step 6: Final answer
    x = 13,843.73

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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.