Home / 18,411.42-27,618.03-5,265.73

Finding the Fourth Proportional to 18,411.42, 27,618.03 and 5,265.73

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Solution

The fourth proportional to 18,411.42, 27,618.03 and 5,265.73 is: 7,898.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,411.42 : 27,618.03 = 5,265.73 : x
  2. Step 2: Convert to fraction form
    18,411.42/27,618.03 = 5,265.73/x
  3. Step 3: Cross multiply
    18,411.42x = 27,618.03 × 5,265.73
  4. Step 4: Simplify right side
    18,411.42x = 145,429,089.11
  5. Step 5: Solve for x
    x = 145,429,089.11/18,411.42
  6. Step 6: Final answer
    x = 7,898.85

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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.