Home / 16,813.28-23,205.09-12,826.86

Finding the Fourth Proportional to 16,813.28, 23,205.09 and 12,826.86

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Solution

The fourth proportional to 16,813.28, 23,205.09 and 12,826.86 is: 17,703.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,813.28 : 23,205.09 = 12,826.86 : x
  2. Step 2: Convert to fraction form
    16,813.28/23,205.09 = 12,826.86/x
  3. Step 3: Cross multiply
    16,813.28x = 23,205.09 × 12,826.86
  4. Step 4: Simplify right side
    16,813.28x = 297,648,440.72
  5. Step 5: Solve for x
    x = 297,648,440.72/16,813.28
  6. Step 6: Final answer
    x = 17,703.18

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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.