Home / 10,898.20-16,316.61-6,939.73

Finding the Fourth Proportional to 10,898.20, 16,316.61 and 6,939.73

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Solution

The fourth proportional to 10,898.20, 16,316.61 and 6,939.73 is: 10,390.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,898.20 : 16,316.61 = 6,939.73 : x
  2. Step 2: Convert to fraction form
    10,898.20/16,316.61 = 6,939.73/x
  3. Step 3: Cross multiply
    10,898.20x = 16,316.61 × 6,939.73
  4. Step 4: Simplify right side
    10,898.20x = 113,232,867.92
  5. Step 5: Solve for x
    x = 113,232,867.92/10,898.20
  6. Step 6: Final answer
    x = 10,390.05

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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.