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Finding the Fourth Proportional to 9,793.35, 14,690.03 and 8,991.45

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Solution

The fourth proportional to 9,793.35, 14,690.03 and 8,991.45 is: 13,487.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,793.35 : 14,690.03 = 8,991.45 : x
  2. Step 2: Convert to fraction form
    9,793.35/14,690.03 = 8,991.45/x
  3. Step 3: Cross multiply
    9,793.35x = 14,690.03 × 8,991.45
  4. Step 4: Simplify right side
    9,793.35x = 132,084,625.29
  5. Step 5: Solve for x
    x = 132,084,625.29/9,793.35
  6. Step 6: Final answer
    x = 13,487.18

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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.