Home / 15,625.16-21,567.24-8,914.44

Finding the Fourth Proportional to 15,625.16, 21,567.24 and 8,914.44

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Solution

The fourth proportional to 15,625.16, 21,567.24 and 8,914.44 is: 12,304.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,625.16 : 21,567.24 = 8,914.44 : x
  2. Step 2: Convert to fraction form
    15,625.16/21,567.24 = 8,914.44/x
  3. Step 3: Cross multiply
    15,625.16x = 21,567.24 × 8,914.44
  4. Step 4: Simplify right side
    15,625.16x = 192,259,866.95
  5. Step 5: Solve for x
    x = 192,259,866.95/15,625.16
  6. Step 6: Final answer
    x = 12,304.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.