Home / 11,966.58-17,918.52-8,437.48

Finding the Fourth Proportional to 11,966.58, 17,918.52 and 8,437.48

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Solution

The fourth proportional to 11,966.58, 17,918.52 and 8,437.48 is: 12,634.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,966.58 : 17,918.52 = 8,437.48 : x
  2. Step 2: Convert to fraction form
    11,966.58/17,918.52 = 8,437.48/x
  3. Step 3: Cross multiply
    11,966.58x = 17,918.52 × 8,437.48
  4. Step 4: Simplify right side
    11,966.58x = 151,187,144.89
  5. Step 5: Solve for x
    x = 151,187,144.89/11,966.58
  6. Step 6: Final answer
    x = 12,634.11

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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.