Home / 13,652.80-20,465.12-9,895.44

Finding the Fourth Proportional to 13,652.80, 20,465.12 and 9,895.44

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Solution

The fourth proportional to 13,652.80, 20,465.12 and 9,895.44 is: 14,832.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,652.80 : 20,465.12 = 9,895.44 : x
  2. Step 2: Convert to fraction form
    13,652.80/20,465.12 = 9,895.44/x
  3. Step 3: Cross multiply
    13,652.80x = 20,465.12 × 9,895.44
  4. Step 4: Simplify right side
    13,652.80x = 202,511,367.05
  5. Step 5: Solve for x
    x = 202,511,367.05/13,652.80
  6. Step 6: Final answer
    x = 14,832.95

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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.