Home / 13,827.56-20,732.64-9,205.16

Finding the Fourth Proportional to 13,827.56, 20,732.64 and 9,205.16

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Solution

The fourth proportional to 13,827.56, 20,732.64 and 9,205.16 is: 13,801.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,827.56 : 20,732.64 = 9,205.16 : x
  2. Step 2: Convert to fraction form
    13,827.56/20,732.64 = 9,205.16/x
  3. Step 3: Cross multiply
    13,827.56x = 20,732.64 × 9,205.16
  4. Step 4: Simplify right side
    13,827.56x = 190,847,268.42
  5. Step 5: Solve for x
    x = 190,847,268.42/13,827.56
  6. Step 6: Final answer
    x = 13,801.95

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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.