Home / 9,439.09-14,158.62-4,238.89

Finding the Fourth Proportional to 9,439.09, 14,158.62 and 4,238.89

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Solution

The fourth proportional to 9,439.09, 14,158.62 and 4,238.89 is: 6,358.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,439.09 : 14,158.62 = 4,238.89 : x
  2. Step 2: Convert to fraction form
    9,439.09/14,158.62 = 4,238.89/x
  3. Step 3: Cross multiply
    9,439.09x = 14,158.62 × 4,238.89
  4. Step 4: Simplify right side
    9,439.09x = 60,016,832.73
  5. Step 5: Solve for x
    x = 60,016,832.73/9,439.09
  6. Step 6: Final answer
    x = 6,358.33

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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.