Home / 14,664.56-20,236.84-8,291.05

Finding the Fourth Proportional to 14,664.56, 20,236.84 and 8,291.05

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Solution

The fourth proportional to 14,664.56, 20,236.84 and 8,291.05 is: 11,441.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,664.56 : 20,236.84 = 8,291.05 : x
  2. Step 2: Convert to fraction form
    14,664.56/20,236.84 = 8,291.05/x
  3. Step 3: Cross multiply
    14,664.56x = 20,236.84 × 8,291.05
  4. Step 4: Simplify right side
    14,664.56x = 167,784,580.96
  5. Step 5: Solve for x
    x = 167,784,580.96/14,664.56
  6. Step 6: Final answer
    x = 11,441.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.