Home / 22,458.24-30,991.98-12,387.63

Finding the Fourth Proportional to 22,458.24, 30,991.98 and 12,387.63

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Solution

The fourth proportional to 22,458.24, 30,991.98 and 12,387.63 is: 17,094.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,458.24 : 30,991.98 = 12,387.63 : x
  2. Step 2: Convert to fraction form
    22,458.24/30,991.98 = 12,387.63/x
  3. Step 3: Cross multiply
    22,458.24x = 30,991.98 × 12,387.63
  4. Step 4: Simplify right side
    22,458.24x = 383,917,181.21
  5. Step 5: Solve for x
    x = 383,917,181.21/22,458.24
  6. Step 6: Final answer
    x = 17,094.71

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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.