Home / 11,719.27-16,169.38-7,529.95

Finding the Fourth Proportional to 11,719.27, 16,169.38 and 7,529.95

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Solution

The fourth proportional to 11,719.27, 16,169.38 and 7,529.95 is: 10,389.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,719.27 : 16,169.38 = 7,529.95 : x
  2. Step 2: Convert to fraction form
    11,719.27/16,169.38 = 7,529.95/x
  3. Step 3: Cross multiply
    11,719.27x = 16,169.38 × 7,529.95
  4. Step 4: Simplify right side
    11,719.27x = 121,754,622.93
  5. Step 5: Solve for x
    x = 121,754,622.93/11,719.27
  6. Step 6: Final answer
    x = 10,389.27

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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.