Home / 16,540.80-22,826.40-9,088.80

Finding the Fourth Proportional to 16,540.80, 22,826.40 and 9,088.80

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Solution

The fourth proportional to 16,540.80, 22,826.40 and 9,088.80 is: 12,542.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,540.80 : 22,826.40 = 9,088.80 : x
  2. Step 2: Convert to fraction form
    16,540.80/22,826.40 = 9,088.80/x
  3. Step 3: Cross multiply
    16,540.80x = 22,826.40 × 9,088.80
  4. Step 4: Simplify right side
    16,540.80x = 207,464,584.32
  5. Step 5: Solve for x
    x = 207,464,584.32/16,540.80
  6. Step 6: Final answer
    x = 12,542.60

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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.