Home / 14,339.95-21,512.96-4,479.98

Finding the Fourth Proportional to 14,339.95, 21,512.96 and 4,479.98

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Solution

The fourth proportional to 14,339.95, 21,512.96 and 4,479.98 is: 6,720.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,339.95 : 21,512.96 = 4,479.98 : x
  2. Step 2: Convert to fraction form
    14,339.95/21,512.96 = 4,479.98/x
  3. Step 3: Cross multiply
    14,339.95x = 21,512.96 × 4,479.98
  4. Step 4: Simplify right side
    14,339.95x = 96,377,517.38
  5. Step 5: Solve for x
    x = 96,377,517.38/14,339.95
  6. Step 6: Final answer
    x = 6,720.91

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1.5x scale

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.