Home / 16,863.09-23,267.45-9,785.71

Finding the Fourth Proportional to 16,863.09, 23,267.45 and 9,785.71

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Solution

The fourth proportional to 16,863.09, 23,267.45 and 9,785.71 is: 13,502.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,863.09 : 23,267.45 = 9,785.71 : x
  2. Step 2: Convert to fraction form
    16,863.09/23,267.45 = 9,785.71/x
  3. Step 3: Cross multiply
    16,863.09x = 23,267.45 × 9,785.71
  4. Step 4: Simplify right side
    16,863.09x = 227,688,469.21
  5. Step 5: Solve for x
    x = 227,688,469.21/16,863.09
  6. Step 6: Final answer
    x = 13,502.18

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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.