Home / 18,863.17-26,032.73-12,162.75

Finding the Fourth Proportional to 18,863.17, 26,032.73 and 12,162.75

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Solution

The fourth proportional to 18,863.17, 26,032.73 and 12,162.75 is: 16,785.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,863.17 : 26,032.73 = 12,162.75 : x
  2. Step 2: Convert to fraction form
    18,863.17/26,032.73 = 12,162.75/x
  3. Step 3: Cross multiply
    18,863.17x = 26,032.73 × 12,162.75
  4. Step 4: Simplify right side
    18,863.17x = 316,629,395.83
  5. Step 5: Solve for x
    x = 316,629,395.83/18,863.17
  6. Step 6: Final answer
    x = 16,785.59

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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.