Home / 10,320.58-15,479.55-3,301.32

Finding the Fourth Proportional to 10,320.58, 15,479.55 and 3,301.32

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Solution

The fourth proportional to 10,320.58, 15,479.55 and 3,301.32 is: 4,951.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,320.58 : 15,479.55 = 3,301.32 : x
  2. Step 2: Convert to fraction form
    10,320.58/15,479.55 = 3,301.32/x
  3. Step 3: Cross multiply
    10,320.58x = 15,479.55 × 3,301.32
  4. Step 4: Simplify right side
    10,320.58x = 51,103,006.05
  5. Step 5: Solve for x
    x = 51,103,006.05/10,320.58
  6. Step 6: Final answer
    x = 4,951.56

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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.