Home / 10,890.99-16,346.51-6,739.11

Finding the Fourth Proportional to 10,890.99, 16,346.51 and 6,739.11

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Solution

The fourth proportional to 10,890.99, 16,346.51 and 6,739.11 is: 10,114.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,890.99 : 16,346.51 = 6,739.11 : x
  2. Step 2: Convert to fraction form
    10,890.99/16,346.51 = 6,739.11/x
  3. Step 3: Cross multiply
    10,890.99x = 16,346.51 × 6,739.11
  4. Step 4: Simplify right side
    10,890.99x = 110,160,895.31
  5. Step 5: Solve for x
    x = 110,160,895.31/10,890.99
  6. Step 6: Final answer
    x = 10,114.87

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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.