Home / 9,789.19-14,654.62-9,439.27

Finding the Fourth Proportional to 9,789.19, 14,654.62 and 9,439.27

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Solution

The fourth proportional to 9,789.19, 14,654.62 and 9,439.27 is: 14,130.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,789.19 : 14,654.62 = 9,439.27 : x
  2. Step 2: Convert to fraction form
    9,789.19/14,654.62 = 9,439.27/x
  3. Step 3: Cross multiply
    9,789.19x = 14,654.62 × 9,439.27
  4. Step 4: Simplify right side
    9,789.19x = 138,328,914.93
  5. Step 5: Solve for x
    x = 138,328,914.93/9,789.19
  6. Step 6: Final answer
    x = 14,130.78

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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.