Home / 19,380.30-26,744.82-10,881.24

Finding the Fourth Proportional to 19,380.30, 26,744.82 and 10,881.24

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Solution

The fourth proportional to 19,380.30, 26,744.82 and 10,881.24 is: 15,016.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,380.30 : 26,744.82 = 10,881.24 : x
  2. Step 2: Convert to fraction form
    19,380.30/26,744.82 = 10,881.24/x
  3. Step 3: Cross multiply
    19,380.30x = 26,744.82 × 10,881.24
  4. Step 4: Simplify right side
    19,380.30x = 291,016,805.18
  5. Step 5: Solve for x
    x = 291,016,805.18/19,380.30
  6. Step 6: Final answer
    x = 15,016.11

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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.