Home / 11,789.18-16,268.60-6,483.68

Finding the Fourth Proportional to 11,789.18, 16,268.60 and 6,483.68

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Solution

The fourth proportional to 11,789.18, 16,268.60 and 6,483.68 is: 8,947.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,789.18 : 16,268.60 = 6,483.68 : x
  2. Step 2: Convert to fraction form
    11,789.18/16,268.60 = 6,483.68/x
  3. Step 3: Cross multiply
    11,789.18x = 16,268.60 × 6,483.68
  4. Step 4: Simplify right side
    11,789.18x = 105,480,282.69
  5. Step 5: Solve for x
    x = 105,480,282.69/11,789.18
  6. Step 6: Final answer
    x = 8,947.21

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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.