Home / 12,677.46-19,014.36-7,414.89

Finding the Fourth Proportional to 12,677.46, 19,014.36 and 7,414.89

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Solution

The fourth proportional to 12,677.46, 19,014.36 and 7,414.89 is: 11,121.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,677.46 : 19,014.36 = 7,414.89 : x
  2. Step 2: Convert to fraction form
    12,677.46/19,014.36 = 7,414.89/x
  3. Step 3: Cross multiply
    12,677.46x = 19,014.36 × 7,414.89
  4. Step 4: Simplify right side
    12,677.46x = 140,989,387.82
  5. Step 5: Solve for x
    x = 140,989,387.82/12,677.46
  6. Step 6: Final answer
    x = 11,121.26

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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.