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Finding the Fourth Proportional to 8,840.10, 13,260.15 and 8,004.90

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Solution

The fourth proportional to 8,840.10, 13,260.15 and 8,004.90 is: 12,007.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,840.10 : 13,260.15 = 8,004.90 : x
  2. Step 2: Convert to fraction form
    8,840.10/13,260.15 = 8,004.90/x
  3. Step 3: Cross multiply
    8,840.10x = 13,260.15 × 8,004.90
  4. Step 4: Simplify right side
    8,840.10x = 106,146,174.74
  5. Step 5: Solve for x
    x = 106,146,174.74/8,840.10
  6. Step 6: Final answer
    x = 12,007.35

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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.