Home / 15,847.25-21,862.95-10,181.21

Finding the Fourth Proportional to 15,847.25, 21,862.95 and 10,181.21

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Solution

The fourth proportional to 15,847.25, 21,862.95 and 10,181.21 is: 14,046.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,847.25 : 21,862.95 = 10,181.21 : x
  2. Step 2: Convert to fraction form
    15,847.25/21,862.95 = 10,181.21/x
  3. Step 3: Cross multiply
    15,847.25x = 21,862.95 × 10,181.21
  4. Step 4: Simplify right side
    15,847.25x = 222,591,175.85
  5. Step 5: Solve for x
    x = 222,591,175.85/15,847.25
  6. Step 6: Final answer
    x = 14,046.05

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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.