Home / 18,864.21-28,300.68-5,536.68

Finding the Fourth Proportional to 18,864.21, 28,300.68 and 5,536.68

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Solution

The fourth proportional to 18,864.21, 28,300.68 and 5,536.68 is: 8,306.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,864.21 : 28,300.68 = 5,536.68 : x
  2. Step 2: Convert to fraction form
    18,864.21/28,300.68 = 5,536.68/x
  3. Step 3: Cross multiply
    18,864.21x = 28,300.68 × 5,536.68
  4. Step 4: Simplify right side
    18,864.21x = 156,691,808.94
  5. Step 5: Solve for x
    x = 156,691,808.94/18,864.21
  6. Step 6: Final answer
    x = 8,306.30

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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.