Home / 15,850.32-21,896.23-12,659.43

Finding the Fourth Proportional to 15,850.32, 21,896.23 and 12,659.43

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Solution

The fourth proportional to 15,850.32, 21,896.23 and 12,659.43 is: 17,488.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,850.32 : 21,896.23 = 12,659.43 : x
  2. Step 2: Convert to fraction form
    15,850.32/21,896.23 = 12,659.43/x
  3. Step 3: Cross multiply
    15,850.32x = 21,896.23 × 12,659.43
  4. Step 4: Simplify right side
    15,850.32x = 277,193,724.18
  5. Step 5: Solve for x
    x = 277,193,724.18/15,850.32
  6. Step 6: Final answer
    x = 17,488.21

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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.