Home / 18,726.06-28,093.28-7,039.38

Finding the Fourth Proportional to 18,726.06, 28,093.28 and 7,039.38

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Solution

The fourth proportional to 18,726.06, 28,093.28 and 7,039.38 is: 10,560.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,726.06 : 28,093.28 = 7,039.38 : x
  2. Step 2: Convert to fraction form
    18,726.06/28,093.28 = 7,039.38/x
  3. Step 3: Cross multiply
    18,726.06x = 28,093.28 × 7,039.38
  4. Step 4: Simplify right side
    18,726.06x = 197,759,238.17
  5. Step 5: Solve for x
    x = 197,759,238.17/18,726.06
  6. Step 6: Final answer
    x = 10,560.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.