Home / 11,346.89-15,658.92-6,633.90

Finding the Fourth Proportional to 11,346.89, 15,658.92 and 6,633.90

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Solution

The fourth proportional to 11,346.89, 15,658.92 and 6,633.90 is: 9,154.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,346.89 : 15,658.92 = 6,633.90 : x
  2. Step 2: Convert to fraction form
    11,346.89/15,658.92 = 6,633.90/x
  3. Step 3: Cross multiply
    11,346.89x = 15,658.92 × 6,633.90
  4. Step 4: Simplify right side
    11,346.89x = 103,879,709.39
  5. Step 5: Solve for x
    x = 103,879,709.39/11,346.89
  6. Step 6: Final answer
    x = 9,154.91

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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.