Home / 18,600.75-27,877.40-8,718.26

Finding the Fourth Proportional to 18,600.75, 27,877.40 and 8,718.26

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Solution

The fourth proportional to 18,600.75, 27,877.40 and 8,718.26 is: 13,066.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,600.75 : 27,877.40 = 8,718.26 : x
  2. Step 2: Convert to fraction form
    18,600.75/27,877.40 = 8,718.26/x
  3. Step 3: Cross multiply
    18,600.75x = 27,877.40 × 8,718.26
  4. Step 4: Simplify right side
    18,600.75x = 243,042,238.35
  5. Step 5: Solve for x
    x = 243,042,238.35/18,600.75
  6. Step 6: Final answer
    x = 13,066.26

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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.