Home / 13,083.85-18,062.40-8,857.26

Finding the Fourth Proportional to 13,083.85, 18,062.40 and 8,857.26

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Solution

The fourth proportional to 13,083.85, 18,062.40 and 8,857.26 is: 12,227.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,083.85 : 18,062.40 = 8,857.26 : x
  2. Step 2: Convert to fraction form
    13,083.85/18,062.40 = 8,857.26/x
  3. Step 3: Cross multiply
    13,083.85x = 18,062.40 × 8,857.26
  4. Step 4: Simplify right side
    13,083.85x = 159,983,373.02
  5. Step 5: Solve for x
    x = 159,983,373.02/13,083.85
  6. Step 6: Final answer
    x = 12,227.55

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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.