Home / 11,699.57-16,146.52-6,395.18

Finding the Fourth Proportional to 11,699.57, 16,146.52 and 6,395.18

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Solution

The fourth proportional to 11,699.57, 16,146.52 and 6,395.18 is: 8,825.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,699.57 : 16,146.52 = 6,395.18 : x
  2. Step 2: Convert to fraction form
    11,699.57/16,146.52 = 6,395.18/x
  3. Step 3: Cross multiply
    11,699.57x = 16,146.52 × 6,395.18
  4. Step 4: Simplify right side
    11,699.57x = 103,259,805.05
  5. Step 5: Solve for x
    x = 103,259,805.05/11,699.57
  6. Step 6: Final answer
    x = 8,825.95

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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.