Home / 14,578.44-21,862.31-5,215.92

Finding the Fourth Proportional to 14,578.44, 21,862.31 and 5,215.92

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Solution

The fourth proportional to 14,578.44, 21,862.31 and 5,215.92 is: 7,821.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,578.44 : 21,862.31 = 5,215.92 : x
  2. Step 2: Convert to fraction form
    14,578.44/21,862.31 = 5,215.92/x
  3. Step 3: Cross multiply
    14,578.44x = 21,862.31 × 5,215.92
  4. Step 4: Simplify right side
    14,578.44x = 114,032,033.90
  5. Step 5: Solve for x
    x = 114,032,033.90/14,578.44
  6. Step 6: Final answer
    x = 7,821.96

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1.5x scale

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.