Home / 12,642.82-18,966.68-4,851.04

Finding the Fourth Proportional to 12,642.82, 18,966.68 and 4,851.04

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Solution

The fourth proportional to 12,642.82, 18,966.68 and 4,851.04 is: 7,277.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,642.82 : 18,966.68 = 4,851.04 : x
  2. Step 2: Convert to fraction form
    12,642.82/18,966.68 = 4,851.04/x
  3. Step 3: Cross multiply
    12,642.82x = 18,966.68 × 4,851.04
  4. Step 4: Simplify right side
    12,642.82x = 92,008,123.35
  5. Step 5: Solve for x
    x = 92,008,123.35/12,642.82
  6. Step 6: Final answer
    x = 7,277.50

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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.