Home / 15,537.44-21,442.88-8,825.18

Finding the Fourth Proportional to 15,537.44, 21,442.88 and 8,825.18

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Solution

The fourth proportional to 15,537.44, 21,442.88 and 8,825.18 is: 12,179.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,537.44 : 21,442.88 = 8,825.18 : x
  2. Step 2: Convert to fraction form
    15,537.44/21,442.88 = 8,825.18/x
  3. Step 3: Cross multiply
    15,537.44x = 21,442.88 × 8,825.18
  4. Step 4: Simplify right side
    15,537.44x = 189,237,168.50
  5. Step 5: Solve for x
    x = 189,237,168.50/15,537.44
  6. Step 6: Final answer
    x = 12,179.43

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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.