Home / 11,986.60-17,901.49-10,040.36

Finding the Fourth Proportional to 11,986.60, 17,901.49 and 10,040.36

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Solution

The fourth proportional to 11,986.60, 17,901.49 and 10,040.36 is: 14,994.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,986.60 : 17,901.49 = 10,040.36 : x
  2. Step 2: Convert to fraction form
    11,986.60/17,901.49 = 10,040.36/x
  3. Step 3: Cross multiply
    11,986.60x = 17,901.49 × 10,040.36
  4. Step 4: Simplify right side
    11,986.60x = 179,737,404.14
  5. Step 5: Solve for x
    x = 179,737,404.14/11,986.60
  6. Step 6: Final answer
    x = 14,994.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.