Home / 11,865.05-16,372.62-6,559.14

Finding the Fourth Proportional to 11,865.05, 16,372.62 and 6,559.14

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Solution

The fourth proportional to 11,865.05, 16,372.62 and 6,559.14 is: 9,050.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,865.05 : 16,372.62 = 6,559.14 : x
  2. Step 2: Convert to fraction form
    11,865.05/16,372.62 = 6,559.14/x
  3. Step 3: Cross multiply
    11,865.05x = 16,372.62 × 6,559.14
  4. Step 4: Simplify right side
    11,865.05x = 107,390,306.75
  5. Step 5: Solve for x
    x = 107,390,306.75/11,865.05
  6. Step 6: Final answer
    x = 9,050.98

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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.