Home / 22,972.70-31,699.86-12,902.24

Finding the Fourth Proportional to 22,972.70, 31,699.86 and 12,902.24

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Solution

The fourth proportional to 22,972.70, 31,699.86 and 12,902.24 is: 17,803.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,972.70 : 31,699.86 = 12,902.24 : x
  2. Step 2: Convert to fraction form
    22,972.70/31,699.86 = 12,902.24/x
  3. Step 3: Cross multiply
    22,972.70x = 31,699.86 × 12,902.24
  4. Step 4: Simplify right side
    22,972.70x = 408,999,201.69
  5. Step 5: Solve for x
    x = 408,999,201.69/22,972.70
  6. Step 6: Final answer
    x = 17,803.71

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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.