Home / 11,899.75-16,421.75-6,594.66

Finding the Fourth Proportional to 11,899.75, 16,421.75 and 6,594.66

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Solution

The fourth proportional to 11,899.75, 16,421.75 and 6,594.66 is: 9,100.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,899.75 : 16,421.75 = 6,594.66 : x
  2. Step 2: Convert to fraction form
    11,899.75/16,421.75 = 6,594.66/x
  3. Step 3: Cross multiply
    11,899.75x = 16,421.75 × 6,594.66
  4. Step 4: Simplify right side
    11,899.75x = 108,295,775.75
  5. Step 5: Solve for x
    x = 108,295,775.75/11,899.75
  6. Step 6: Final answer
    x = 9,100.68

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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.