Home / 10,898.97-16,334.09-4,321.56

Finding the Fourth Proportional to 10,898.97, 16,334.09 and 4,321.56

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Solution

The fourth proportional to 10,898.97, 16,334.09 and 4,321.56 is: 6,476.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,898.97 : 16,334.09 = 4,321.56 : x
  2. Step 2: Convert to fraction form
    10,898.97/16,334.09 = 4,321.56/x
  3. Step 3: Cross multiply
    10,898.97x = 16,334.09 × 4,321.56
  4. Step 4: Simplify right side
    10,898.97x = 70,588,728.37
  5. Step 5: Solve for x
    x = 70,588,728.37/10,898.97
  6. Step 6: Final answer
    x = 6,476.64

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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.