Home / 22,345.26-30,830.94-12,654.88

Finding the Fourth Proportional to 22,345.26, 30,830.94 and 12,654.88

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Solution

The fourth proportional to 22,345.26, 30,830.94 and 12,654.88 is: 17,460.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,345.26 : 30,830.94 = 12,654.88 : x
  2. Step 2: Convert to fraction form
    22,345.26/30,830.94 = 12,654.88/x
  3. Step 3: Cross multiply
    22,345.26x = 30,830.94 × 12,654.88
  4. Step 4: Simplify right side
    22,345.26x = 390,161,845.99
  5. Step 5: Solve for x
    x = 390,161,845.99/22,345.26
  6. Step 6: Final answer
    x = 17,460.61

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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.