Home / 11,913.90-16,441.08-6,608.76

Finding the Fourth Proportional to 11,913.90, 16,441.08 and 6,608.76

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Solution

The fourth proportional to 11,913.90, 16,441.08 and 6,608.76 is: 9,120.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,913.90 : 16,441.08 = 6,608.76 : x
  2. Step 2: Convert to fraction form
    11,913.90/16,441.08 = 6,608.76/x
  3. Step 3: Cross multiply
    11,913.90x = 16,441.08 × 6,608.76
  4. Step 4: Simplify right side
    11,913.90x = 108,655,151.86
  5. Step 5: Solve for x
    x = 108,655,151.86/11,913.90
  6. Step 6: Final answer
    x = 9,120.03

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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.