Home / 19,311.68-26,651.16-10,928

Finding the Fourth Proportional to 19,311.68, 26,651.16 and 10,928

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Solution

The fourth proportional to 19,311.68, 26,651.16 and 10,928 is: 15,081.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,311.68 : 26,651.16 = 10,928 : x
  2. Step 2: Convert to fraction form
    19,311.68/26,651.16 = 10,928/x
  3. Step 3: Cross multiply
    19,311.68x = 26,651.16 × 10,928
  4. Step 4: Simplify right side
    19,311.68x = 291,243,876.48
  5. Step 5: Solve for x
    x = 291,243,876.48/19,311.68
  6. Step 6: Final answer
    x = 15,081.23

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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.