Home / 11,917.52-16,433.22-7,439.66

Finding the Fourth Proportional to 11,917.52, 16,433.22 and 7,439.66

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Solution

The fourth proportional to 11,917.52, 16,433.22 and 7,439.66 is: 10,258.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,917.52 : 16,433.22 = 7,439.66 : x
  2. Step 2: Convert to fraction form
    11,917.52/16,433.22 = 7,439.66/x
  3. Step 3: Cross multiply
    11,917.52x = 16,433.22 × 7,439.66
  4. Step 4: Simplify right side
    11,917.52x = 122,257,569.51
  5. Step 5: Solve for x
    x = 122,257,569.51/11,917.52
  6. Step 6: Final answer
    x = 10,258.64

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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.