Home / 15,867.24-21,876.84-10,191.96

Finding the Fourth Proportional to 15,867.24, 21,876.84 and 10,191.96

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Solution

The fourth proportional to 15,867.24, 21,876.84 and 10,191.96 is: 14,052.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,867.24 : 21,876.84 = 10,191.96 : x
  2. Step 2: Convert to fraction form
    15,867.24/21,876.84 = 10,191.96/x
  3. Step 3: Cross multiply
    15,867.24x = 21,876.84 × 10,191.96
  4. Step 4: Simplify right side
    15,867.24x = 222,967,878.21
  5. Step 5: Solve for x
    x = 222,967,878.21/15,867.24
  6. Step 6: Final answer
    x = 14,052.09

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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.