Home / 10,196.12-15,293.28-3,175.84

Finding the Fourth Proportional to 10,196.12, 15,293.28 and 3,175.84

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Solution

The fourth proportional to 10,196.12, 15,293.28 and 3,175.84 is: 4,763.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,196.12 : 15,293.28 = 3,175.84 : x
  2. Step 2: Convert to fraction form
    10,196.12/15,293.28 = 3,175.84/x
  3. Step 3: Cross multiply
    10,196.12x = 15,293.28 × 3,175.84
  4. Step 4: Simplify right side
    10,196.12x = 48,569,010.36
  5. Step 5: Solve for x
    x = 48,569,010.36/10,196.12
  6. Step 6: Final answer
    x = 4,763.48

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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.