Home / 9,660.14-13,399.19-9,404.08

Finding the Fourth Proportional to 9,660.14, 13,399.19 and 9,404.08

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Solution

The fourth proportional to 9,660.14, 13,399.19 and 9,404.08 is: 13,044.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,660.14 : 13,399.19 = 9,404.08 : x
  2. Step 2: Convert to fraction form
    9,660.14/13,399.19 = 9,404.08/x
  3. Step 3: Cross multiply
    9,660.14x = 13,399.19 × 9,404.08
  4. Step 4: Simplify right side
    9,660.14x = 126,006,987.70
  5. Step 5: Solve for x
    x = 126,006,987.70/9,660.14
  6. Step 6: Final answer
    x = 13,044.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.