Home / 12,765.42-19,153.82-6,522.14

Finding the Fourth Proportional to 12,765.42, 19,153.82 and 6,522.14

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Solution

The fourth proportional to 12,765.42, 19,153.82 and 6,522.14 is: 9,786.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,765.42 : 19,153.82 = 6,522.14 : x
  2. Step 2: Convert to fraction form
    12,765.42/19,153.82 = 6,522.14/x
  3. Step 3: Cross multiply
    12,765.42x = 19,153.82 × 6,522.14
  4. Step 4: Simplify right side
    12,765.42x = 124,923,959.76
  5. Step 5: Solve for x
    x = 124,923,959.76/12,765.42
  6. Step 6: Final answer
    x = 9,786.12

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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.