Home / 18,847.09-26,009.07-11,777.59

Finding the Fourth Proportional to 18,847.09, 26,009.07 and 11,777.59

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Solution

The fourth proportional to 18,847.09, 26,009.07 and 11,777.59 is: 16,253.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,847.09 : 26,009.07 = 11,777.59 : x
  2. Step 2: Convert to fraction form
    18,847.09/26,009.07 = 11,777.59/x
  3. Step 3: Cross multiply
    18,847.09x = 26,009.07 × 11,777.59
  4. Step 4: Simplify right side
    18,847.09x = 306,324,032.70
  5. Step 5: Solve for x
    x = 306,324,032.70/18,847.09
  6. Step 6: Final answer
    x = 16,253.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.