Home / 17,990.46-24,846.20-13,695.71

Finding the Fourth Proportional to 17,990.46, 24,846.20 and 13,695.71

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Solution

The fourth proportional to 17,990.46, 24,846.20 and 13,695.71 is: 18,914.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,990.46 : 24,846.20 = 13,695.71 : x
  2. Step 2: Convert to fraction form
    17,990.46/24,846.20 = 13,695.71/x
  3. Step 3: Cross multiply
    17,990.46x = 24,846.20 × 13,695.71
  4. Step 4: Simplify right side
    17,990.46x = 340,286,157.09
  5. Step 5: Solve for x
    x = 340,286,157.09/17,990.46
  6. Step 6: Final answer
    x = 18,914.81

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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.