Home / 9,331.80-13,979.25-5,623.08

Finding the Fourth Proportional to 9,331.80, 13,979.25 and 5,623.08

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Solution

The fourth proportional to 9,331.80, 13,979.25 and 5,623.08 is: 8,423.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,331.80 : 13,979.25 = 5,623.08 : x
  2. Step 2: Convert to fraction form
    9,331.80/13,979.25 = 5,623.08/x
  3. Step 3: Cross multiply
    9,331.80x = 13,979.25 × 5,623.08
  4. Step 4: Simplify right side
    9,331.80x = 78,606,441.09
  5. Step 5: Solve for x
    x = 78,606,441.09/9,331.80
  6. Step 6: Final answer
    x = 8,423.50

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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.