Home / 22,677.32-31,285.72-13,115.44

Finding the Fourth Proportional to 22,677.32, 31,285.72 and 13,115.44

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Solution

The fourth proportional to 22,677.32, 31,285.72 and 13,115.44 is: 18,094.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,677.32 : 31,285.72 = 13,115.44 : x
  2. Step 2: Convert to fraction form
    22,677.32/31,285.72 = 13,115.44/x
  3. Step 3: Cross multiply
    22,677.32x = 31,285.72 × 13,115.44
  4. Step 4: Simplify right side
    22,677.32x = 410,325,983.52
  5. Step 5: Solve for x
    x = 410,325,983.52/22,677.32
  6. Step 6: Final answer
    x = 18,094.11

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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.