Home / 10,899.84-16,346.70-3,106.56

Finding the Fourth Proportional to 10,899.84, 16,346.70 and 3,106.56

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Solution

The fourth proportional to 10,899.84, 16,346.70 and 3,106.56 is: 4,658.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,899.84 : 16,346.70 = 3,106.56 : x
  2. Step 2: Convert to fraction form
    10,899.84/16,346.70 = 3,106.56/x
  3. Step 3: Cross multiply
    10,899.84x = 16,346.70 × 3,106.56
  4. Step 4: Simplify right side
    10,899.84x = 50,782,004.35
  5. Step 5: Solve for x
    x = 50,782,004.35/10,899.84
  6. Step 6: Final answer
    x = 4,658.97

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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.