Home / 11,623.97-16,041.18-6,318.79

Finding the Fourth Proportional to 11,623.97, 16,041.18 and 6,318.79

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Solution

The fourth proportional to 11,623.97, 16,041.18 and 6,318.79 is: 8,719.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,623.97 : 16,041.18 = 6,318.79 : x
  2. Step 2: Convert to fraction form
    11,623.97/16,041.18 = 6,318.79/x
  3. Step 3: Cross multiply
    11,623.97x = 16,041.18 × 6,318.79
  4. Step 4: Simplify right side
    11,623.97x = 101,360,847.77
  5. Step 5: Solve for x
    x = 101,360,847.77/11,623.97
  6. Step 6: Final answer
    x = 8,719.99

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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.