Home / 19,276.86-26,603.07-11,721.96

Finding the Fourth Proportional to 19,276.86, 26,603.07 and 11,721.96

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Solution

The fourth proportional to 19,276.86, 26,603.07 and 11,721.96 is: 16,176.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,276.86 : 26,603.07 = 11,721.96 : x
  2. Step 2: Convert to fraction form
    19,276.86/26,603.07 = 11,721.96/x
  3. Step 3: Cross multiply
    19,276.86x = 26,603.07 × 11,721.96
  4. Step 4: Simplify right side
    19,276.86x = 311,840,122.42
  5. Step 5: Solve for x
    x = 311,840,122.42/19,276.86
  6. Step 6: Final answer
    x = 16,176.91

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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.