Home / 18,084.08-27,128.68-5,605.08

Finding the Fourth Proportional to 18,084.08, 27,128.68 and 5,605.08

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Solution

The fourth proportional to 18,084.08, 27,128.68 and 5,605.08 is: 8,408.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,084.08 : 27,128.68 = 5,605.08 : x
  2. Step 2: Convert to fraction form
    18,084.08/27,128.68 = 5,605.08/x
  3. Step 3: Cross multiply
    18,084.08x = 27,128.68 × 5,605.08
  4. Step 4: Simplify right side
    18,084.08x = 152,058,421.69
  5. Step 5: Solve for x
    x = 152,058,421.69/18,084.08
  6. Step 6: Final answer
    x = 8,408.41

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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.