Home / 19,377.62-26,734.42-10,878.56

Finding the Fourth Proportional to 19,377.62, 26,734.42 and 10,878.56

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Solution

The fourth proportional to 19,377.62, 26,734.42 and 10,878.56 is: 15,008.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,377.62 : 26,734.42 = 10,878.56 : x
  2. Step 2: Convert to fraction form
    19,377.62/26,734.42 = 10,878.56/x
  3. Step 3: Cross multiply
    19,377.62x = 26,734.42 × 10,878.56
  4. Step 4: Simplify right side
    19,377.62x = 290,831,992.04
  5. Step 5: Solve for x
    x = 290,831,992.04/19,377.62
  6. Step 6: Final answer
    x = 15,008.65

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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.