Home / 18,464.68-27,715.45-8,610.90

Finding the Fourth Proportional to 18,464.68, 27,715.45 and 8,610.90

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Solution

The fourth proportional to 18,464.68, 27,715.45 and 8,610.90 is: 12,924.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,464.68 : 27,715.45 = 8,610.90 : x
  2. Step 2: Convert to fraction form
    18,464.68/27,715.45 = 8,610.90/x
  3. Step 3: Cross multiply
    18,464.68x = 27,715.45 × 8,610.90
  4. Step 4: Simplify right side
    18,464.68x = 238,654,968.41
  5. Step 5: Solve for x
    x = 238,654,968.41/18,464.68
  6. Step 6: Final answer
    x = 12,924.94

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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.