Home / 15,244.24-21,035.13-9,194.78

Finding the Fourth Proportional to 15,244.24, 21,035.13 and 9,194.78

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Solution

The fourth proportional to 15,244.24, 21,035.13 and 9,194.78 is: 12,687.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,244.24 : 21,035.13 = 9,194.78 : x
  2. Step 2: Convert to fraction form
    15,244.24/21,035.13 = 9,194.78/x
  3. Step 3: Cross multiply
    15,244.24x = 21,035.13 × 9,194.78
  4. Step 4: Simplify right side
    15,244.24x = 193,413,392.62
  5. Step 5: Solve for x
    x = 193,413,392.62/15,244.24
  6. Step 6: Final answer
    x = 12,687.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.