Home / 10,884.08-15,019.89-6,408.02

Finding the Fourth Proportional to 10,884.08, 15,019.89 and 6,408.02

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Solution

The fourth proportional to 10,884.08, 15,019.89 and 6,408.02 is: 8,842.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,884.08 : 15,019.89 = 6,408.02 : x
  2. Step 2: Convert to fraction form
    10,884.08/15,019.89 = 6,408.02/x
  3. Step 3: Cross multiply
    10,884.08x = 15,019.89 × 6,408.02
  4. Step 4: Simplify right side
    10,884.08x = 96,247,755.52
  5. Step 5: Solve for x
    x = 96,247,755.52/10,884.08
  6. Step 6: Final answer
    x = 8,842.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.