Home / 18,871.38-26,034.93-11,317.95

Finding the Fourth Proportional to 18,871.38, 26,034.93 and 11,317.95

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Solution

The fourth proportional to 18,871.38, 26,034.93 and 11,317.95 is: 15,614.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,871.38 : 26,034.93 = 11,317.95 : x
  2. Step 2: Convert to fraction form
    18,871.38/26,034.93 = 11,317.95/x
  3. Step 3: Cross multiply
    18,871.38x = 26,034.93 × 11,317.95
  4. Step 4: Simplify right side
    18,871.38x = 294,662,035.99
  5. Step 5: Solve for x
    x = 294,662,035.99/18,871.38
  6. Step 6: Final answer
    x = 15,614.23

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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.