Home / 10,338.80-15,508.21-2,547.62

Finding the Fourth Proportional to 10,338.80, 15,508.21 and 2,547.62

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Solution

The fourth proportional to 10,338.80, 15,508.21 and 2,547.62 is: 3,821.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,338.80 : 15,508.21 = 2,547.62 : x
  2. Step 2: Convert to fraction form
    10,338.80/15,508.21 = 2,547.62/x
  3. Step 3: Cross multiply
    10,338.80x = 15,508.21 × 2,547.62
  4. Step 4: Simplify right side
    10,338.80x = 39,508,942.05
  5. Step 5: Solve for x
    x = 39,508,942.05/10,338.80
  6. Step 6: Final answer
    x = 3,821.42

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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.