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Finding the Fourth Proportional to 8,840.10, 13,260.15 and 8,694.30

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Solution

The fourth proportional to 8,840.10, 13,260.15 and 8,694.30 is: 13,041.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,840.10 : 13,260.15 = 8,694.30 : x
  2. Step 2: Convert to fraction form
    8,840.10/13,260.15 = 8,694.30/x
  3. Step 3: Cross multiply
    8,840.10x = 13,260.15 × 8,694.30
  4. Step 4: Simplify right side
    8,840.10x = 115,287,722.15
  5. Step 5: Solve for x
    x = 115,287,722.15/8,840.10
  6. Step 6: Final answer
    x = 13,041.45

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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.