Home / 15,554.14-21,464.17-8,480.42

Finding the Fourth Proportional to 15,554.14, 21,464.17 and 8,480.42

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Solution

The fourth proportional to 15,554.14, 21,464.17 and 8,480.42 is: 11,702.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,554.14 : 21,464.17 = 8,480.42 : x
  2. Step 2: Convert to fraction form
    15,554.14/21,464.17 = 8,480.42/x
  3. Step 3: Cross multiply
    15,554.14x = 21,464.17 × 8,480.42
  4. Step 4: Simplify right side
    15,554.14x = 182,025,176.55
  5. Step 5: Solve for x
    x = 182,025,176.55/15,554.14
  6. Step 6: Final answer
    x = 11,702.68

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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.