Home / 11,652.95-16,081.18-6,617.28

Finding the Fourth Proportional to 11,652.95, 16,081.18 and 6,617.28

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Solution

The fourth proportional to 11,652.95, 16,081.18 and 6,617.28 is: 9,131.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,652.95 : 16,081.18 = 6,617.28 : x
  2. Step 2: Convert to fraction form
    11,652.95/16,081.18 = 6,617.28/x
  3. Step 3: Cross multiply
    11,652.95x = 16,081.18 × 6,617.28
  4. Step 4: Simplify right side
    11,652.95x = 106,413,593.94
  5. Step 5: Solve for x
    x = 106,413,593.94/11,652.95
  6. Step 6: Final answer
    x = 9,131.90

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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.