Home / 14,641.68-20,203.56-8,268.72

Finding the Fourth Proportional to 14,641.68, 20,203.56 and 8,268.72

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Solution

The fourth proportional to 14,641.68, 20,203.56 and 8,268.72 is: 11,409.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,641.68 : 20,203.56 = 8,268.72 : x
  2. Step 2: Convert to fraction form
    14,641.68/20,203.56 = 8,268.72/x
  3. Step 3: Cross multiply
    14,641.68x = 20,203.56 × 8,268.72
  4. Step 4: Simplify right side
    14,641.68x = 167,057,580.64
  5. Step 5: Solve for x
    x = 167,057,580.64/14,641.68
  6. Step 6: Final answer
    x = 11,409.73

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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.