Home / 14,083.07-21,132.80-5,318.66

Finding the Fourth Proportional to 14,083.07, 21,132.80 and 5,318.66

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Solution

The fourth proportional to 14,083.07, 21,132.80 and 5,318.66 is: 7,981.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,083.07 : 21,132.80 = 5,318.66 : x
  2. Step 2: Convert to fraction form
    14,083.07/21,132.80 = 5,318.66/x
  3. Step 3: Cross multiply
    14,083.07x = 21,132.80 × 5,318.66
  4. Step 4: Simplify right side
    14,083.07x = 112,398,224.23
  5. Step 5: Solve for x
    x = 112,398,224.23/14,083.07
  6. Step 6: Final answer
    x = 7,981.09

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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.