Home / 14,211.38-21,320.97-6,206.81

Finding the Fourth Proportional to 14,211.38, 21,320.97 and 6,206.81

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Solution

The fourth proportional to 14,211.38, 21,320.97 and 6,206.81 is: 9,311.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,211.38 : 21,320.97 = 6,206.81 : x
  2. Step 2: Convert to fraction form
    14,211.38/21,320.97 = 6,206.81/x
  3. Step 3: Cross multiply
    14,211.38x = 21,320.97 × 6,206.81
  4. Step 4: Simplify right side
    14,211.38x = 132,335,072.17
  5. Step 5: Solve for x
    x = 132,335,072.17/14,211.38
  6. Step 6: Final answer
    x = 9,311.91

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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.