Home / 22,259.37-30,712.86-13,305.36

Finding the Fourth Proportional to 22,259.37, 30,712.86 and 13,305.36

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Solution

The fourth proportional to 22,259.37, 30,712.86 and 13,305.36 is: 18,358.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,259.37 : 30,712.86 = 13,305.36 : x
  2. Step 2: Convert to fraction form
    22,259.37/30,712.86 = 13,305.36/x
  3. Step 3: Cross multiply
    22,259.37x = 30,712.86 × 13,305.36
  4. Step 4: Simplify right side
    22,259.37x = 408,645,658.93
  5. Step 5: Solve for x
    x = 408,645,658.93/22,259.37
  6. Step 6: Final answer
    x = 18,358.37

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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.