Home / 18,438.38-25,444.14-10,481.34

Finding the Fourth Proportional to 18,438.38, 25,444.14 and 10,481.34

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Solution

The fourth proportional to 18,438.38, 25,444.14 and 10,481.34 is: 14,463.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,438.38 : 25,444.14 = 10,481.34 : x
  2. Step 2: Convert to fraction form
    18,438.38/25,444.14 = 10,481.34/x
  3. Step 3: Cross multiply
    18,438.38x = 25,444.14 × 10,481.34
  4. Step 4: Simplify right side
    18,438.38x = 266,688,682.35
  5. Step 5: Solve for x
    x = 266,688,682.35/18,438.38
  6. Step 6: Final answer
    x = 14,463.78

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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.