Home / 14,418.18-21,643.47-11,170.44

Finding the Fourth Proportional to 14,418.18, 21,643.47 and 11,170.44

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Solution

The fourth proportional to 14,418.18, 21,643.47 and 11,170.44 is: 16,768.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,418.18 : 21,643.47 = 11,170.44 : x
  2. Step 2: Convert to fraction form
    14,418.18/21,643.47 = 11,170.44/x
  3. Step 3: Cross multiply
    14,418.18x = 21,643.47 × 11,170.44
  4. Step 4: Simplify right side
    14,418.18x = 241,767,083.03
  5. Step 5: Solve for x
    x = 241,767,083.03/14,418.18
  6. Step 6: Final answer
    x = 16,768.21

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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.