Home / 11,383.48-17,110.86-7,512.76

Finding the Fourth Proportional to 11,383.48, 17,110.86 and 7,512.76

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Solution

The fourth proportional to 11,383.48, 17,110.86 and 7,512.76 is: 11,292.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,383.48 : 17,110.86 = 7,512.76 : x
  2. Step 2: Convert to fraction form
    11,383.48/17,110.86 = 7,512.76/x
  3. Step 3: Cross multiply
    11,383.48x = 17,110.86 × 7,512.76
  4. Step 4: Simplify right side
    11,383.48x = 128,549,784.57
  5. Step 5: Solve for x
    x = 128,549,784.57/11,383.48
  6. Step 6: Final answer
    x = 11,292.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.