Home / 11,383.20-17,074.80-11,306.40

Finding the Fourth Proportional to 11,383.20, 17,074.80 and 11,306.40

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Solution

The fourth proportional to 11,383.20, 17,074.80 and 11,306.40 is: 16,959.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,383.20 : 17,074.80 = 11,306.40 : x
  2. Step 2: Convert to fraction form
    11,383.20/17,074.80 = 11,306.40/x
  3. Step 3: Cross multiply
    11,383.20x = 17,074.80 × 11,306.40
  4. Step 4: Simplify right side
    11,383.20x = 193,054,518.72
  5. Step 5: Solve for x
    x = 193,054,518.72/11,383.20
  6. Step 6: Final answer
    x = 16,959.60

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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.