Home / 22,623.89-31,220.93-12,553.86

Finding the Fourth Proportional to 22,623.89, 31,220.93 and 12,553.86

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Solution

The fourth proportional to 22,623.89, 31,220.93 and 12,553.86 is: 17,324.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,623.89 : 31,220.93 = 12,553.86 : x
  2. Step 2: Convert to fraction form
    22,623.89/31,220.93 = 12,553.86/x
  3. Step 3: Cross multiply
    22,623.89x = 31,220.93 × 12,553.86
  4. Step 4: Simplify right side
    22,623.89x = 391,943,121.52
  5. Step 5: Solve for x
    x = 391,943,121.52/22,623.89
  6. Step 6: Final answer
    x = 17,324.31

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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.