Home / 11,383.48-15,708.60-6,348.22

Finding the Fourth Proportional to 11,383.48, 15,708.60 and 6,348.22

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Solution

The fourth proportional to 11,383.48, 15,708.60 and 6,348.22 is: 8,760.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,383.48 : 15,708.60 = 6,348.22 : x
  2. Step 2: Convert to fraction form
    11,383.48/15,708.60 = 6,348.22/x
  3. Step 3: Cross multiply
    11,383.48x = 15,708.60 × 6,348.22
  4. Step 4: Simplify right side
    11,383.48x = 99,721,648.69
  5. Step 5: Solve for x
    x = 99,721,648.69/11,383.48
  6. Step 6: Final answer
    x = 8,760.21

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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.