Home / 10,340.88-15,511.47-2,549.69

Finding the Fourth Proportional to 10,340.88, 15,511.47 and 2,549.69

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Solution

The fourth proportional to 10,340.88, 15,511.47 and 2,549.69 is: 3,824.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,340.88 : 15,511.47 = 2,549.69 : x
  2. Step 2: Convert to fraction form
    10,340.88/15,511.47 = 2,549.69/x
  3. Step 3: Cross multiply
    10,340.88x = 15,511.47 × 2,549.69
  4. Step 4: Simplify right side
    10,340.88x = 39,549,439.94
  5. Step 5: Solve for x
    x = 39,549,439.94/10,340.88
  6. Step 6: Final answer
    x = 3,824.57

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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.