Home / 11,816.92-17,681.62-8,699.24

Finding the Fourth Proportional to 11,816.92, 17,681.62 and 8,699.24

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Solution

The fourth proportional to 11,816.92, 17,681.62 and 8,699.24 is: 13,016.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,816.92 : 17,681.62 = 8,699.24 : x
  2. Step 2: Convert to fraction form
    11,816.92/17,681.62 = 8,699.24/x
  3. Step 3: Cross multiply
    11,816.92x = 17,681.62 × 8,699.24
  4. Step 4: Simplify right side
    11,816.92x = 153,816,655.97
  5. Step 5: Solve for x
    x = 153,816,655.97/11,816.92
  6. Step 6: Final answer
    x = 13,016.65

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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.