Home / 19,361.67-26,727.26-13,082.55

Finding the Fourth Proportional to 19,361.67, 26,727.26 and 13,082.55

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Solution

The fourth proportional to 19,361.67, 26,727.26 and 13,082.55 is: 18,059.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,361.67 : 26,727.26 = 13,082.55 : x
  2. Step 2: Convert to fraction form
    19,361.67/26,727.26 = 13,082.55/x
  3. Step 3: Cross multiply
    19,361.67x = 26,727.26 × 13,082.55
  4. Step 4: Simplify right side
    19,361.67x = 349,660,715.31
  5. Step 5: Solve for x
    x = 349,660,715.31/19,361.67
  6. Step 6: Final answer
    x = 18,059.43

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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.