Home / 10,340.80-15,511.21-2,549.62

Finding the Fourth Proportional to 10,340.80, 15,511.21 and 2,549.62

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Solution

The fourth proportional to 10,340.80, 15,511.21 and 2,549.62 is: 3,824.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,340.80 : 15,511.21 = 2,549.62 : x
  2. Step 2: Convert to fraction form
    10,340.80/15,511.21 = 2,549.62/x
  3. Step 3: Cross multiply
    10,340.80x = 15,511.21 × 2,549.62
  4. Step 4: Simplify right side
    10,340.80x = 39,547,691.24
  5. Step 5: Solve for x
    x = 39,547,691.24/10,340.80
  6. Step 6: Final answer
    x = 3,824.43

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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.