Home / 11,078.25-16,600.97-9,117.81

Finding the Fourth Proportional to 11,078.25, 16,600.97 and 9,117.81

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Solution

The fourth proportional to 11,078.25, 16,600.97 and 9,117.81 is: 13,663.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,078.25 : 16,600.97 = 9,117.81 : x
  2. Step 2: Convert to fraction form
    11,078.25/16,600.97 = 9,117.81/x
  3. Step 3: Cross multiply
    11,078.25x = 16,600.97 × 9,117.81
  4. Step 4: Simplify right side
    11,078.25x = 151,364,444.69
  5. Step 5: Solve for x
    x = 151,364,444.69/11,078.25
  6. Step 6: Final answer
    x = 13,663.21

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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.