Home / 19,129.80-26,391.57-11,061.97

Finding the Fourth Proportional to 19,129.80, 26,391.57 and 11,061.97

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Solution

The fourth proportional to 19,129.80, 26,391.57 and 11,061.97 is: 15,261.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,129.80 : 26,391.57 = 11,061.97 : x
  2. Step 2: Convert to fraction form
    19,129.80/26,391.57 = 11,061.97/x
  3. Step 3: Cross multiply
    19,129.80x = 26,391.57 × 11,061.97
  4. Step 4: Simplify right side
    19,129.80x = 291,942,700.28
  5. Step 5: Solve for x
    x = 291,942,700.28/19,129.80
  6. Step 6: Final answer
    x = 15,261.15

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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.