Home / 18,311.46-25,269.53-10,353.42

Finding the Fourth Proportional to 18,311.46, 25,269.53 and 10,353.42

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Solution

The fourth proportional to 18,311.46, 25,269.53 and 10,353.42 is: 14,287.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,311.46 : 25,269.53 = 10,353.42 : x
  2. Step 2: Convert to fraction form
    18,311.46/25,269.53 = 10,353.42/x
  3. Step 3: Cross multiply
    18,311.46x = 25,269.53 × 10,353.42
  4. Step 4: Simplify right side
    18,311.46x = 261,626,057.29
  5. Step 5: Solve for x
    x = 261,626,057.29/18,311.46
  6. Step 6: Final answer
    x = 14,287.56

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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.