Home / 12,853.31-17,760.66-10,027.76

Finding the Fourth Proportional to 12,853.31, 17,760.66 and 10,027.76

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Solution

The fourth proportional to 12,853.31, 17,760.66 and 10,027.76 is: 13,856.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,853.31 : 17,760.66 = 10,027.76 : x
  2. Step 2: Convert to fraction form
    12,853.31/17,760.66 = 10,027.76/x
  3. Step 3: Cross multiply
    12,853.31x = 17,760.66 × 10,027.76
  4. Step 4: Simplify right side
    12,853.31x = 178,099,635.92
  5. Step 5: Solve for x
    x = 178,099,635.92/12,853.31
  6. Step 6: Final answer
    x = 13,856.32

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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.