Home / 20,464.42-30,696.63-13,537.30

Finding the Fourth Proportional to 20,464.42, 30,696.63 and 13,537.30

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Solution

The fourth proportional to 20,464.42, 30,696.63 and 13,537.30 is: 20,305.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,464.42 : 30,696.63 = 13,537.30 : x
  2. Step 2: Convert to fraction form
    20,464.42/30,696.63 = 13,537.30/x
  3. Step 3: Cross multiply
    20,464.42x = 30,696.63 × 13,537.30
  4. Step 4: Simplify right side
    20,464.42x = 415,549,489.30
  5. Step 5: Solve for x
    x = 415,549,489.30/20,464.42
  6. Step 6: Final answer
    x = 20,305.95

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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.