Home / 10,939.74-16,398.54-6,258.12

Finding the Fourth Proportional to 10,939.74, 16,398.54 and 6,258.12

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Solution

The fourth proportional to 10,939.74, 16,398.54 and 6,258.12 is: 9,380.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,939.74 : 16,398.54 = 6,258.12 : x
  2. Step 2: Convert to fraction form
    10,939.74/16,398.54 = 6,258.12/x
  3. Step 3: Cross multiply
    10,939.74x = 16,398.54 × 6,258.12
  4. Step 4: Simplify right side
    10,939.74x = 102,624,031.14
  5. Step 5: Solve for x
    x = 102,624,031.14/10,939.74
  6. Step 6: Final answer
    x = 9,380.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.