Home / 10,619.04-15,906.69-8,276.52

Finding the Fourth Proportional to 10,619.04, 15,906.69 and 8,276.52

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Solution

The fourth proportional to 10,619.04, 15,906.69 and 8,276.52 is: 12,397.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,619.04 : 15,906.69 = 8,276.52 : x
  2. Step 2: Convert to fraction form
    10,619.04/15,906.69 = 8,276.52/x
  3. Step 3: Cross multiply
    10,619.04x = 15,906.69 × 8,276.52
  4. Step 4: Simplify right side
    10,619.04x = 131,652,037.92
  5. Step 5: Solve for x
    x = 131,652,037.92/10,619.04
  6. Step 6: Final answer
    x = 12,397.73

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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.