Home / 13,927.20-19,229.04-9,736.80

Finding the Fourth Proportional to 13,927.20, 19,229.04 and 9,736.80

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Solution

The fourth proportional to 13,927.20, 19,229.04 and 9,736.80 is: 13,443.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,927.20 : 19,229.04 = 9,736.80 : x
  2. Step 2: Convert to fraction form
    13,927.20/19,229.04 = 9,736.80/x
  3. Step 3: Cross multiply
    13,927.20x = 19,229.04 × 9,736.80
  4. Step 4: Simplify right side
    13,927.20x = 187,229,316.67
  5. Step 5: Solve for x
    x = 187,229,316.67/13,927.20
  6. Step 6: Final answer
    x = 13,443.43

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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.