Home / 9,324.23-13,987.71-5,811.36

Finding the Fourth Proportional to 9,324.23, 13,987.71 and 5,811.36

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Solution

The fourth proportional to 9,324.23, 13,987.71 and 5,811.36 is: 8,717.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,324.23 : 13,987.71 = 5,811.36 : x
  2. Step 2: Convert to fraction form
    9,324.23/13,987.71 = 5,811.36/x
  3. Step 3: Cross multiply
    9,324.23x = 13,987.71 × 5,811.36
  4. Step 4: Simplify right side
    9,324.23x = 81,287,618.39
  5. Step 5: Solve for x
    x = 81,287,618.39/9,324.23
  6. Step 6: Final answer
    x = 8,717.90

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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.