Home / 11,998.13-16,559.24-7,281.50

Finding the Fourth Proportional to 11,998.13, 16,559.24 and 7,281.50

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Solution

The fourth proportional to 11,998.13, 16,559.24 and 7,281.50 is: 10,049.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,998.13 : 16,559.24 = 7,281.50 : x
  2. Step 2: Convert to fraction form
    11,998.13/16,559.24 = 7,281.50/x
  3. Step 3: Cross multiply
    11,998.13x = 16,559.24 × 7,281.50
  4. Step 4: Simplify right side
    11,998.13x = 120,575,986.86
  5. Step 5: Solve for x
    x = 120,575,986.86/11,998.13
  6. Step 6: Final answer
    x = 10,049.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.