Home / 11,108.23-15,328.77-6,328.15

Finding the Fourth Proportional to 11,108.23, 15,328.77 and 6,328.15

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Solution

The fourth proportional to 11,108.23, 15,328.77 and 6,328.15 is: 8,732.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,108.23 : 15,328.77 = 6,328.15 : x
  2. Step 2: Convert to fraction form
    11,108.23/15,328.77 = 6,328.15/x
  3. Step 3: Cross multiply
    11,108.23x = 15,328.77 × 6,328.15
  4. Step 4: Simplify right side
    11,108.23x = 97,002,755.88
  5. Step 5: Solve for x
    x = 97,002,755.88/11,108.23
  6. Step 6: Final answer
    x = 8,732.51

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1.5x scale

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.