Home / 23,130.33-31,919.81-13,060.86

Finding the Fourth Proportional to 23,130.33, 31,919.81 and 13,060.86

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Solution

The fourth proportional to 23,130.33, 31,919.81 and 13,060.86 is: 18,023.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,130.33 : 31,919.81 = 13,060.86 : x
  2. Step 2: Convert to fraction form
    23,130.33/31,919.81 = 13,060.86/x
  3. Step 3: Cross multiply
    23,130.33x = 31,919.81 × 13,060.86
  4. Step 4: Simplify right side
    23,130.33x = 416,900,104.33
  5. Step 5: Solve for x
    x = 416,900,104.33/23,130.33
  6. Step 6: Final answer
    x = 18,023.96

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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.