Home / 14,072.87-21,110.39-4,712.91

Finding the Fourth Proportional to 14,072.87, 21,110.39 and 4,712.91

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Solution

The fourth proportional to 14,072.87, 21,110.39 and 4,712.91 is: 7,069.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,072.87 : 21,110.39 = 4,712.91 : x
  2. Step 2: Convert to fraction form
    14,072.87/21,110.39 = 4,712.91/x
  3. Step 3: Cross multiply
    14,072.87x = 21,110.39 × 4,712.91
  4. Step 4: Simplify right side
    14,072.87x = 99,491,344.57
  5. Step 5: Solve for x
    x = 99,491,344.57/14,072.87
  6. Step 6: Final answer
    x = 7,069.73

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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.