Home / 22,684.45-31,301.11-12,992.39

Finding the Fourth Proportional to 22,684.45, 31,301.11 and 12,992.39

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Solution

The fourth proportional to 22,684.45, 31,301.11 and 12,992.39 is: 17,927.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,684.45 : 31,301.11 = 12,992.39 : x
  2. Step 2: Convert to fraction form
    22,684.45/31,301.11 = 12,992.39/x
  3. Step 3: Cross multiply
    22,684.45x = 31,301.11 × 12,992.39
  4. Step 4: Simplify right side
    22,684.45x = 406,676,274.32
  5. Step 5: Solve for x
    x = 406,676,274.32/22,684.45
  6. Step 6: Final answer
    x = 17,927.54

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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.