Home / 22,786.32-31,444.20-13,226.40

Finding the Fourth Proportional to 22,786.32, 31,444.20 and 13,226.40

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Solution

The fourth proportional to 22,786.32, 31,444.20 and 13,226.40 is: 18,251.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,786.32 : 31,444.20 = 13,226.40 : x
  2. Step 2: Convert to fraction form
    22,786.32/31,444.20 = 13,226.40/x
  3. Step 3: Cross multiply
    22,786.32x = 31,444.20 × 13,226.40
  4. Step 4: Simplify right side
    22,786.32x = 415,893,566.88
  5. Step 5: Solve for x
    x = 415,893,566.88/22,786.32
  6. Step 6: Final answer
    x = 18,251.90

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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.