Home / 14,498.94-20,007.57-8,124.78

Finding the Fourth Proportional to 14,498.94, 20,007.57 and 8,124.78

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Solution

The fourth proportional to 14,498.94, 20,007.57 and 8,124.78 is: 11,211.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,498.94 : 20,007.57 = 8,124.78 : x
  2. Step 2: Convert to fraction form
    14,498.94/20,007.57 = 8,124.78/x
  3. Step 3: Cross multiply
    14,498.94x = 20,007.57 × 8,124.78
  4. Step 4: Simplify right side
    14,498.94x = 162,557,104.58
  5. Step 5: Solve for x
    x = 162,557,104.58/14,498.94
  6. Step 6: Final answer
    x = 11,211.65

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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.