Home / 15,383.13-22,990.40-11,231.88

Finding the Fourth Proportional to 15,383.13, 22,990.40 and 11,231.88

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Solution

The fourth proportional to 15,383.13, 22,990.40 and 11,231.88 is: 16,786.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,383.13 : 22,990.40 = 11,231.88 : x
  2. Step 2: Convert to fraction form
    15,383.13/22,990.40 = 11,231.88/x
  3. Step 3: Cross multiply
    15,383.13x = 22,990.40 × 11,231.88
  4. Step 4: Simplify right side
    15,383.13x = 258,225,357.79
  5. Step 5: Solve for x
    x = 258,225,357.79/15,383.13
  6. Step 6: Final answer
    x = 16,786.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.