Home / 18,176.07-27,131.49-15,961.71

Finding the Fourth Proportional to 18,176.07, 27,131.49 and 15,961.71

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Solution

The fourth proportional to 18,176.07, 27,131.49 and 15,961.71 is: 23,826.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,176.07 : 27,131.49 = 15,961.71 : x
  2. Step 2: Convert to fraction form
    18,176.07/27,131.49 = 15,961.71/x
  3. Step 3: Cross multiply
    18,176.07x = 27,131.49 × 15,961.71
  4. Step 4: Simplify right side
    18,176.07x = 433,064,975.25
  5. Step 5: Solve for x
    x = 433,064,975.25/18,176.07
  6. Step 6: Final answer
    x = 23,826.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.