Home / 12,774.78-19,166.22-4,010.58

Finding the Fourth Proportional to 12,774.78, 19,166.22 and 4,010.58

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Solution

The fourth proportional to 12,774.78, 19,166.22 and 4,010.58 is: 6,017.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,774.78 : 19,166.22 = 4,010.58 : x
  2. Step 2: Convert to fraction form
    12,774.78/19,166.22 = 4,010.58/x
  3. Step 3: Cross multiply
    12,774.78x = 19,166.22 × 4,010.58
  4. Step 4: Simplify right side
    12,774.78x = 76,867,658.61
  5. Step 5: Solve for x
    x = 76,867,658.61/12,774.78
  6. Step 6: Final answer
    x = 6,017.14

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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.