Home / 12,931.08-17,838.78-11,062.73

Finding the Fourth Proportional to 12,931.08, 17,838.78 and 11,062.73

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Solution

The fourth proportional to 12,931.08, 17,838.78 and 11,062.73 is: 15,261.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,931.08 : 17,838.78 = 11,062.73 : x
  2. Step 2: Convert to fraction form
    12,931.08/17,838.78 = 11,062.73/x
  3. Step 3: Cross multiply
    12,931.08x = 17,838.78 × 11,062.73
  4. Step 4: Simplify right side
    12,931.08x = 197,345,517.48
  5. Step 5: Solve for x
    x = 197,345,517.48/12,931.08
  6. Step 6: Final answer
    x = 15,261.33

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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.