Home / 20,623.83-30,939.59-9,523.18

Finding the Fourth Proportional to 20,623.83, 30,939.59 and 9,523.18

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Solution

The fourth proportional to 20,623.83, 30,939.59 and 9,523.18 is: 14,286.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,623.83 : 30,939.59 = 9,523.18 : x
  2. Step 2: Convert to fraction form
    20,623.83/30,939.59 = 9,523.18/x
  3. Step 3: Cross multiply
    20,623.83x = 30,939.59 × 9,523.18
  4. Step 4: Simplify right side
    20,623.83x = 294,643,284.70
  5. Step 5: Solve for x
    x = 294,643,284.70/20,623.83
  6. Step 6: Final answer
    x = 14,286.55

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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.