Home / 18,426.12-27,620.14-8,557.36

Finding the Fourth Proportional to 18,426.12, 27,620.14 and 8,557.36

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Solution

The fourth proportional to 18,426.12, 27,620.14 and 8,557.36 is: 12,827.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,426.12 : 27,620.14 = 8,557.36 : x
  2. Step 2: Convert to fraction form
    18,426.12/27,620.14 = 8,557.36/x
  3. Step 3: Cross multiply
    18,426.12x = 27,620.14 × 8,557.36
  4. Step 4: Simplify right side
    18,426.12x = 236,355,481.23
  5. Step 5: Solve for x
    x = 236,355,481.23/18,426.12
  6. Step 6: Final answer
    x = 12,827.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.