Home / 10,326.91-15,490.96-2,930.79

Finding the Fourth Proportional to 10,326.91, 15,490.96 and 2,930.79

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Solution

The fourth proportional to 10,326.91, 15,490.96 and 2,930.79 is: 4,396.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,326.91 : 15,490.96 = 2,930.79 : x
  2. Step 2: Convert to fraction form
    10,326.91/15,490.96 = 2,930.79/x
  3. Step 3: Cross multiply
    10,326.91x = 15,490.96 × 2,930.79
  4. Step 4: Simplify right side
    10,326.91x = 45,400,750.66
  5. Step 5: Solve for x
    x = 45,400,750.66/10,326.91
  6. Step 6: Final answer
    x = 4,396.35

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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.