Home / 19,079.94-26,329.72-11,122.50

Finding the Fourth Proportional to 19,079.94, 26,329.72 and 11,122.50

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Solution

The fourth proportional to 19,079.94, 26,329.72 and 11,122.50 is: 15,348.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,079.94 : 26,329.72 = 11,122.50 : x
  2. Step 2: Convert to fraction form
    19,079.94/26,329.72 = 11,122.50/x
  3. Step 3: Cross multiply
    19,079.94x = 26,329.72 × 11,122.50
  4. Step 4: Simplify right side
    19,079.94x = 292,852,310.70
  5. Step 5: Solve for x
    x = 292,852,310.70/19,079.94
  6. Step 6: Final answer
    x = 15,348.70

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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.