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Finding the Fourth Proportional to 8,803.96, 13,258.21 and 7,663.48

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Solution

The fourth proportional to 8,803.96, 13,258.21 and 7,663.48 is: 11,540.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,803.96 : 13,258.21 = 7,663.48 : x
  2. Step 2: Convert to fraction form
    8,803.96/13,258.21 = 7,663.48/x
  3. Step 3: Cross multiply
    8,803.96x = 13,258.21 × 7,663.48
  4. Step 4: Simplify right side
    8,803.96x = 101,604,027.17
  5. Step 5: Solve for x
    x = 101,604,027.17/8,803.96
  6. Step 6: Final answer
    x = 11,540.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.