Home / 18,102.96-27,158.68-5,622.34

Finding the Fourth Proportional to 18,102.96, 27,158.68 and 5,622.34

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Solution

The fourth proportional to 18,102.96, 27,158.68 and 5,622.34 is: 8,434.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,102.96 : 27,158.68 = 5,622.34 : x
  2. Step 2: Convert to fraction form
    18,102.96/27,158.68 = 5,622.34/x
  3. Step 3: Cross multiply
    18,102.96x = 27,158.68 × 5,622.34
  4. Step 4: Simplify right side
    18,102.96x = 152,695,332.91
  5. Step 5: Solve for x
    x = 152,695,332.91/18,102.96
  6. Step 6: Final answer
    x = 8,434.83

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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.