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Finding the Fourth Proportional to 8,881.52, 13,293 and 7,909.52

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Solution

The fourth proportional to 8,881.52, 13,293 and 7,909.52 is: 11,838.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,881.52 : 13,293 = 7,909.52 : x
  2. Step 2: Convert to fraction form
    8,881.52/13,293 = 7,909.52/x
  3. Step 3: Cross multiply
    8,881.52x = 13,293 × 7,909.52
  4. Step 4: Simplify right side
    8,881.52x = 105,141,249.36
  5. Step 5: Solve for x
    x = 105,141,249.36/8,881.52
  6. Step 6: Final answer
    x = 11,838.20

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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.