Home / 18,863.29-26,032.89-12,162.87

Finding the Fourth Proportional to 18,863.29, 26,032.89 and 12,162.87

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Solution

The fourth proportional to 18,863.29, 26,032.89 and 12,162.87 is: 16,785.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,863.29 : 26,032.89 = 12,162.87 : x
  2. Step 2: Convert to fraction form
    18,863.29/26,032.89 = 12,162.87/x
  3. Step 3: Cross multiply
    18,863.29x = 26,032.89 × 12,162.87
  4. Step 4: Simplify right side
    18,863.29x = 316,634,702.41
  5. Step 5: Solve for x
    x = 316,634,702.41/18,863.29
  6. Step 6: Final answer
    x = 16,785.76

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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.