Home / 17,868.29-26,806.32-5,387.36

Finding the Fourth Proportional to 17,868.29, 26,806.32 and 5,387.36

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Solution

The fourth proportional to 17,868.29, 26,806.32 and 5,387.36 is: 8,082.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,868.29 : 26,806.32 = 5,387.36 : x
  2. Step 2: Convert to fraction form
    17,868.29/26,806.32 = 5,387.36/x
  3. Step 3: Cross multiply
    17,868.29x = 26,806.32 × 5,387.36
  4. Step 4: Simplify right side
    17,868.29x = 144,415,162.08
  5. Step 5: Solve for x
    x = 144,415,162.08/17,868.29
  6. Step 6: Final answer
    x = 8,082.21

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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.