Home / 18,274.92-25,219.26-10,318.70

Finding the Fourth Proportional to 18,274.92, 25,219.26 and 10,318.70

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Solution

The fourth proportional to 18,274.92, 25,219.26 and 10,318.70 is: 14,239.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,274.92 : 25,219.26 = 10,318.70 : x
  2. Step 2: Convert to fraction form
    18,274.92/25,219.26 = 10,318.70/x
  3. Step 3: Cross multiply
    18,274.92x = 25,219.26 × 10,318.70
  4. Step 4: Simplify right side
    18,274.92x = 260,229,852.07
  5. Step 5: Solve for x
    x = 260,229,852.07/18,274.92
  6. Step 6: Final answer
    x = 14,239.73

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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.