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Finding the Fourth Proportional to 8,245.32, 12,353.58 and 6,867.51

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Solution

The fourth proportional to 8,245.32, 12,353.58 and 6,867.51 is: 10,289.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,245.32 : 12,353.58 = 6,867.51 : x
  2. Step 2: Convert to fraction form
    8,245.32/12,353.58 = 6,867.51/x
  3. Step 3: Cross multiply
    8,245.32x = 12,353.58 × 6,867.51
  4. Step 4: Simplify right side
    8,245.32x = 84,838,334.19
  5. Step 5: Solve for x
    x = 84,838,334.19/8,245.32
  6. Step 6: Final answer
    x = 10,289.27

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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.