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Finding the Fourth Proportional to 9,480.60, 14,192.10 and 8,443.80

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Solution

The fourth proportional to 9,480.60, 14,192.10 and 8,443.80 is: 12,640.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,480.60 : 14,192.10 = 8,443.80 : x
  2. Step 2: Convert to fraction form
    9,480.60/14,192.10 = 8,443.80/x
  3. Step 3: Cross multiply
    9,480.60x = 14,192.10 × 8,443.80
  4. Step 4: Simplify right side
    9,480.60x = 119,835,253.98
  5. Step 5: Solve for x
    x = 119,835,253.98/9,480.60
  6. Step 6: Final answer
    x = 12,640.05

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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.