Home / 17,916.24-26,874.98-6,821.28

Finding the Fourth Proportional to 17,916.24, 26,874.98 and 6,821.28

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Solution

The fourth proportional to 17,916.24, 26,874.98 and 6,821.28 is: 10,232.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,916.24 : 26,874.98 = 6,821.28 : x
  2. Step 2: Convert to fraction form
    17,916.24/26,874.98 = 6,821.28/x
  3. Step 3: Cross multiply
    17,916.24x = 26,874.98 × 6,821.28
  4. Step 4: Simplify right side
    17,916.24x = 183,321,763.57
  5. Step 5: Solve for x
    x = 183,321,763.57/17,916.24
  6. Step 6: Final answer
    x = 10,232.16

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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.