Home / 19,122.86-26,387.16-11,163.94

Finding the Fourth Proportional to 19,122.86, 26,387.16 and 11,163.94

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Solution

The fourth proportional to 19,122.86, 26,387.16 and 11,163.94 is: 15,404.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,122.86 : 26,387.16 = 11,163.94 : x
  2. Step 2: Convert to fraction form
    19,122.86/26,387.16 = 11,163.94/x
  3. Step 3: Cross multiply
    19,122.86x = 26,387.16 × 11,163.94
  4. Step 4: Simplify right side
    19,122.86x = 294,584,671.01
  5. Step 5: Solve for x
    x = 294,584,671.01/19,122.86
  6. Step 6: Final answer
    x = 15,404.84

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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.