Home / 14,124.82-21,172.11-8,932.18

Finding the Fourth Proportional to 14,124.82, 21,172.11 and 8,932.18

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Solution

The fourth proportional to 14,124.82, 21,172.11 and 8,932.18 is: 13,388.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,124.82 : 21,172.11 = 8,932.18 : x
  2. Step 2: Convert to fraction form
    14,124.82/21,172.11 = 8,932.18/x
  3. Step 3: Cross multiply
    14,124.82x = 21,172.11 × 8,932.18
  4. Step 4: Simplify right side
    14,124.82x = 189,113,097.50
  5. Step 5: Solve for x
    x = 189,113,097.50/14,124.82
  6. Step 6: Final answer
    x = 13,388.71

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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.