Home / 14,377.94-21,559.35-8,456.64

Finding the Fourth Proportional to 14,377.94, 21,559.35 and 8,456.64

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Solution

The fourth proportional to 14,377.94, 21,559.35 and 8,456.64 is: 12,680.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,377.94 : 21,559.35 = 8,456.64 : x
  2. Step 2: Convert to fraction form
    14,377.94/21,559.35 = 8,456.64/x
  3. Step 3: Cross multiply
    14,377.94x = 21,559.35 × 8,456.64
  4. Step 4: Simplify right side
    14,377.94x = 182,319,661.58
  5. Step 5: Solve for x
    x = 182,319,661.58/14,377.94
  6. Step 6: Final answer
    x = 12,680.51

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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.