Home / 22,014.78-30,378.36-13,060.77

Finding the Fourth Proportional to 22,014.78, 30,378.36 and 13,060.77

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Solution

The fourth proportional to 22,014.78, 30,378.36 and 13,060.77 is: 18,022.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,014.78 : 30,378.36 = 13,060.77 : x
  2. Step 2: Convert to fraction form
    22,014.78/30,378.36 = 13,060.77/x
  3. Step 3: Cross multiply
    22,014.78x = 30,378.36 × 13,060.77
  4. Step 4: Simplify right side
    22,014.78x = 396,764,772.94
  5. Step 5: Solve for x
    x = 396,764,772.94/22,014.78
  6. Step 6: Final answer
    x = 18,022.65

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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.