Home / 13,653.66-20,454.25-8,373.27

Finding the Fourth Proportional to 13,653.66, 20,454.25 and 8,373.27

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Solution

The fourth proportional to 13,653.66, 20,454.25 and 8,373.27 is: 12,543.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,653.66 : 20,454.25 = 8,373.27 : x
  2. Step 2: Convert to fraction form
    13,653.66/20,454.25 = 8,373.27/x
  3. Step 3: Cross multiply
    13,653.66x = 20,454.25 × 8,373.27
  4. Step 4: Simplify right side
    13,653.66x = 171,268,916.03
  5. Step 5: Solve for x
    x = 171,268,916.03/13,653.66
  6. Step 6: Final answer
    x = 12,543.81

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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.