Home / 11,259.66-16,886.01-4,240.68

Finding the Fourth Proportional to 11,259.66, 16,886.01 and 4,240.68

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Solution

The fourth proportional to 11,259.66, 16,886.01 and 4,240.68 is: 6,359.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,259.66 : 16,886.01 = 4,240.68 : x
  2. Step 2: Convert to fraction form
    11,259.66/16,886.01 = 4,240.68/x
  3. Step 3: Cross multiply
    11,259.66x = 16,886.01 × 4,240.68
  4. Step 4: Simplify right side
    11,259.66x = 71,608,164.89
  5. Step 5: Solve for x
    x = 71,608,164.89/11,259.66
  6. Step 6: Final answer
    x = 6,359.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.