Home / 10,659.84-15,987.96-2,866.92

Finding the Fourth Proportional to 10,659.84, 15,987.96 and 2,866.92

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Solution

The fourth proportional to 10,659.84, 15,987.96 and 2,866.92 is: 4,299.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,659.84 : 15,987.96 = 2,866.92 : x
  2. Step 2: Convert to fraction form
    10,659.84/15,987.96 = 2,866.92/x
  3. Step 3: Cross multiply
    10,659.84x = 15,987.96 × 2,866.92
  4. Step 4: Simplify right side
    10,659.84x = 45,836,202.28
  5. Step 5: Solve for x
    x = 45,836,202.28/10,659.84
  6. Step 6: Final answer
    x = 4,299.90

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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.