Home / 11,913.60-16,441.78-6,610.13

Finding the Fourth Proportional to 11,913.60, 16,441.78 and 6,610.13

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Solution

The fourth proportional to 11,913.60, 16,441.78 and 6,610.13 is: 9,122.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,913.60 : 16,441.78 = 6,610.13 : x
  2. Step 2: Convert to fraction form
    11,913.60/16,441.78 = 6,610.13/x
  3. Step 3: Cross multiply
    11,913.60x = 16,441.78 × 6,610.13
  4. Step 4: Simplify right side
    11,913.60x = 108,682,303.23
  5. Step 5: Solve for x
    x = 108,682,303.23/11,913.60
  6. Step 6: Final answer
    x = 9,122.54

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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.