Home / 9,323.36-13,979.68-5,578.88

Finding the Fourth Proportional to 9,323.36, 13,979.68 and 5,578.88

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Solution

The fourth proportional to 9,323.36, 13,979.68 and 5,578.88 is: 8,365.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,323.36 : 13,979.68 = 5,578.88 : x
  2. Step 2: Convert to fraction form
    9,323.36/13,979.68 = 5,578.88/x
  3. Step 3: Cross multiply
    9,323.36x = 13,979.68 × 5,578.88
  4. Step 4: Simplify right side
    9,323.36x = 77,990,957.16
  5. Step 5: Solve for x
    x = 77,990,957.16/9,323.36
  6. Step 6: Final answer
    x = 8,365.11

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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.