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Finding the Fourth Proportional to 8,994.60, 13,466.22 and 7,148.34

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Solution

The fourth proportional to 8,994.60, 13,466.22 and 7,148.34 is: 10,702.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,994.60 : 13,466.22 = 7,148.34 : x
  2. Step 2: Convert to fraction form
    8,994.60/13,466.22 = 7,148.34/x
  3. Step 3: Cross multiply
    8,994.60x = 13,466.22 × 7,148.34
  4. Step 4: Simplify right side
    8,994.60x = 96,261,119.07
  5. Step 5: Solve for x
    x = 96,261,119.07/8,994.60
  6. Step 6: Final answer
    x = 10,702.10

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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.