Home / 15,895.94-21,937.05-8,822.36

Finding the Fourth Proportional to 15,895.94, 21,937.05 and 8,822.36

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Solution

The fourth proportional to 15,895.94, 21,937.05 and 8,822.36 is: 12,175.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,895.94 : 21,937.05 = 8,822.36 : x
  2. Step 2: Convert to fraction form
    15,895.94/21,937.05 = 8,822.36/x
  3. Step 3: Cross multiply
    15,895.94x = 21,937.05 × 8,822.36
  4. Step 4: Simplify right side
    15,895.94x = 193,536,442.75
  5. Step 5: Solve for x
    x = 193,536,442.75/15,895.94
  6. Step 6: Final answer
    x = 12,175.22

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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.