Home / 10,984.97-15,159.30-5,949.20

Finding the Fourth Proportional to 10,984.97, 15,159.30 and 5,949.20

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Solution

The fourth proportional to 10,984.97, 15,159.30 and 5,949.20 is: 8,209.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,984.97 : 15,159.30 = 5,949.20 : x
  2. Step 2: Convert to fraction form
    10,984.97/15,159.30 = 5,949.20/x
  3. Step 3: Cross multiply
    10,984.97x = 15,159.30 × 5,949.20
  4. Step 4: Simplify right side
    10,984.97x = 90,185,671.34
  5. Step 5: Solve for x
    x = 90,185,671.34/10,984.97
  6. Step 6: Final answer
    x = 8,209.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.