Home / 18,921.24-26,116.97-10,967.04

Finding the Fourth Proportional to 18,921.24, 26,116.97 and 10,967.04

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Solution

The fourth proportional to 18,921.24, 26,116.97 and 10,967.04 is: 15,137.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,921.24 : 26,116.97 = 10,967.04 : x
  2. Step 2: Convert to fraction form
    18,921.24/26,116.97 = 10,967.04/x
  3. Step 3: Cross multiply
    18,921.24x = 26,116.97 × 10,967.04
  4. Step 4: Simplify right side
    18,921.24x = 286,425,799.83
  5. Step 5: Solve for x
    x = 286,425,799.83/18,921.24
  6. Step 6: Final answer
    x = 15,137.79

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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.