Home / 14,211.90-21,320.98-4,351.94

Finding the Fourth Proportional to 14,211.90, 21,320.98 and 4,351.94

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Solution

The fourth proportional to 14,211.90, 21,320.98 and 4,351.94 is: 6,528.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,211.90 : 21,320.98 = 4,351.94 : x
  2. Step 2: Convert to fraction form
    14,211.90/21,320.98 = 4,351.94/x
  3. Step 3: Cross multiply
    14,211.90x = 21,320.98 × 4,351.94
  4. Step 4: Simplify right side
    14,211.90x = 92,787,625.70
  5. Step 5: Solve for x
    x = 92,787,625.70/14,211.90
  6. Step 6: Final answer
    x = 6,528.87

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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.