Home / 18,270.08-27,404.16-5,123.36

Finding the Fourth Proportional to 18,270.08, 27,404.16 and 5,123.36

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Solution

The fourth proportional to 18,270.08, 27,404.16 and 5,123.36 is: 7,684.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,270.08 : 27,404.16 = 5,123.36 : x
  2. Step 2: Convert to fraction form
    18,270.08/27,404.16 = 5,123.36/x
  3. Step 3: Cross multiply
    18,270.08x = 27,404.16 × 5,123.36
  4. Step 4: Simplify right side
    18,270.08x = 140,401,377.18
  5. Step 5: Solve for x
    x = 140,401,377.18/18,270.08
  6. Step 6: Final answer
    x = 7,684.77

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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.