Home / 14,147.94-21,224.22-4,284.91

Finding the Fourth Proportional to 14,147.94, 21,224.22 and 4,284.91

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Solution

The fourth proportional to 14,147.94, 21,224.22 and 4,284.91 is: 6,428.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,147.94 : 21,224.22 = 4,284.91 : x
  2. Step 2: Convert to fraction form
    14,147.94/21,224.22 = 4,284.91/x
  3. Step 3: Cross multiply
    14,147.94x = 21,224.22 × 4,284.91
  4. Step 4: Simplify right side
    14,147.94x = 90,943,882.98
  5. Step 5: Solve for x
    x = 90,943,882.98/14,147.94
  6. Step 6: Final answer
    x = 6,428.06

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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.