Home / 19,144.79-26,419.81-10,761.29

Finding the Fourth Proportional to 19,144.79, 26,419.81 and 10,761.29

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Solution

The fourth proportional to 19,144.79, 26,419.81 and 10,761.29 is: 14,850.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,144.79 : 26,419.81 = 10,761.29 : x
  2. Step 2: Convert to fraction form
    19,144.79/26,419.81 = 10,761.29/x
  3. Step 3: Cross multiply
    19,144.79x = 26,419.81 × 10,761.29
  4. Step 4: Simplify right side
    19,144.79x = 284,311,361.83
  5. Step 5: Solve for x
    x = 284,311,361.83/19,144.79
  6. Step 6: Final answer
    x = 14,850.58

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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.