Home / 9,627.20-14,440.80-8,993.60

Finding the Fourth Proportional to 9,627.20, 14,440.80 and 8,993.60

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Solution

The fourth proportional to 9,627.20, 14,440.80 and 8,993.60 is: 13,490.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,627.20 : 14,440.80 = 8,993.60 : x
  2. Step 2: Convert to fraction form
    9,627.20/14,440.80 = 8,993.60/x
  3. Step 3: Cross multiply
    9,627.20x = 14,440.80 × 8,993.60
  4. Step 4: Simplify right side
    9,627.20x = 129,874,778.88
  5. Step 5: Solve for x
    x = 129,874,778.88/9,627.20
  6. Step 6: Final answer
    x = 13,490.40

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Similar ratio
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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.