Home / 14,147.17-21,222.96-4,284.11

Finding the Fourth Proportional to 14,147.17, 21,222.96 and 4,284.11

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Solution

The fourth proportional to 14,147.17, 21,222.96 and 4,284.11 is: 6,426.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,147.17 : 21,222.96 = 4,284.11 : x
  2. Step 2: Convert to fraction form
    14,147.17/21,222.96 = 4,284.11/x
  3. Step 3: Cross multiply
    14,147.17x = 21,222.96 × 4,284.11
  4. Step 4: Simplify right side
    14,147.17x = 90,921,436.88
  5. Step 5: Solve for x
    x = 90,921,436.88/14,147.17
  6. Step 6: Final answer
    x = 6,426.83

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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.