Home / 12,677.48-19,014.59-3,318.14

Finding the Fourth Proportional to 12,677.48, 19,014.59 and 3,318.14

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Solution

The fourth proportional to 12,677.48, 19,014.59 and 3,318.14 is: 4,976.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,677.48 : 19,014.59 = 3,318.14 : x
  2. Step 2: Convert to fraction form
    12,677.48/19,014.59 = 3,318.14/x
  3. Step 3: Cross multiply
    12,677.48x = 19,014.59 × 3,318.14
  4. Step 4: Simplify right side
    12,677.48x = 63,092,960.00
  5. Step 5: Solve for x
    x = 63,092,960.00/12,677.48
  6. Step 6: Final answer
    x = 4,976.78

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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.