Home / 14,530.75-21,765.19-10,981.66

Finding the Fourth Proportional to 14,530.75, 21,765.19 and 10,981.66

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Solution

The fourth proportional to 14,530.75, 21,765.19 and 10,981.66 is: 16,449.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,530.75 : 21,765.19 = 10,981.66 : x
  2. Step 2: Convert to fraction form
    14,530.75/21,765.19 = 10,981.66/x
  3. Step 3: Cross multiply
    14,530.75x = 21,765.19 × 10,981.66
  4. Step 4: Simplify right side
    14,530.75x = 239,017,916.42
  5. Step 5: Solve for x
    x = 239,017,916.42/14,530.75
  6. Step 6: Final answer
    x = 16,449.11

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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.