Home / 9,158.21-13,727.73-4,231.08

Finding the Fourth Proportional to 9,158.21, 13,727.73 and 4,231.08

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Solution

The fourth proportional to 9,158.21, 13,727.73 and 4,231.08 is: 6,342.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,158.21 : 13,727.73 = 4,231.08 : x
  2. Step 2: Convert to fraction form
    9,158.21/13,727.73 = 4,231.08/x
  3. Step 3: Cross multiply
    9,158.21x = 13,727.73 × 4,231.08
  4. Step 4: Simplify right side
    9,158.21x = 58,083,123.85
  5. Step 5: Solve for x
    x = 58,083,123.85/9,158.21
  6. Step 6: Final answer
    x = 6,342.20

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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.