Home / 13,648.91-18,833.77-7,982.53

Finding the Fourth Proportional to 13,648.91, 18,833.77 and 7,982.53

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Solution

The fourth proportional to 13,648.91, 18,833.77 and 7,982.53 is: 11,014.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,648.91 : 18,833.77 = 7,982.53 : x
  2. Step 2: Convert to fraction form
    13,648.91/18,833.77 = 7,982.53/x
  3. Step 3: Cross multiply
    13,648.91x = 18,833.77 × 7,982.53
  4. Step 4: Simplify right side
    13,648.91x = 150,341,157.97
  5. Step 5: Solve for x
    x = 150,341,157.97/13,648.91
  6. Step 6: Final answer
    x = 11,014.89

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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.