Home / 10,326.12-15,486.86-2,930.42

Finding the Fourth Proportional to 10,326.12, 15,486.86 and 2,930.42

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Solution

The fourth proportional to 10,326.12, 15,486.86 and 2,930.42 is: 4,394.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,326.12 : 15,486.86 = 2,930.42 : x
  2. Step 2: Convert to fraction form
    10,326.12/15,486.86 = 2,930.42/x
  3. Step 3: Cross multiply
    10,326.12x = 15,486.86 × 2,930.42
  4. Step 4: Simplify right side
    10,326.12x = 45,383,004.28
  5. Step 5: Solve for x
    x = 45,383,004.28/10,326.12
  6. Step 6: Final answer
    x = 4,394.97

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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.