Home / 14,046.50-21,073.22-4,185.74

Finding the Fourth Proportional to 14,046.50, 21,073.22 and 4,185.74

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Solution

The fourth proportional to 14,046.50, 21,073.22 and 4,185.74 is: 6,279.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,046.50 : 21,073.22 = 4,185.74 : x
  2. Step 2: Convert to fraction form
    14,046.50/21,073.22 = 4,185.74/x
  3. Step 3: Cross multiply
    14,046.50x = 21,073.22 × 4,185.74
  4. Step 4: Simplify right side
    14,046.50x = 88,207,019.88
  5. Step 5: Solve for x
    x = 88,207,019.88/14,046.50
  6. Step 6: Final answer
    x = 6,279.64

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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.