Home / 22,993.48-31,731.75-12,923.86

Finding the Fourth Proportional to 22,993.48, 31,731.75 and 12,923.86

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Solution

The fourth proportional to 22,993.48, 31,731.75 and 12,923.86 is: 17,835.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,993.48 : 31,731.75 = 12,923.86 : x
  2. Step 2: Convert to fraction form
    22,993.48/31,731.75 = 12,923.86/x
  3. Step 3: Cross multiply
    22,993.48x = 31,731.75 × 12,923.86
  4. Step 4: Simplify right side
    22,993.48x = 410,096,694.56
  5. Step 5: Solve for x
    x = 410,096,694.56/22,993.48
  6. Step 6: Final answer
    x = 17,835.35

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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.