Home / 20,348.91-30,528.09-6,308.19

Finding the Fourth Proportional to 20,348.91, 30,528.09 and 6,308.19

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Solution

The fourth proportional to 20,348.91, 30,528.09 and 6,308.19 is: 9,463.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,348.91 : 30,528.09 = 6,308.19 : x
  2. Step 2: Convert to fraction form
    20,348.91/30,528.09 = 6,308.19/x
  3. Step 3: Cross multiply
    20,348.91x = 30,528.09 × 6,308.19
  4. Step 4: Simplify right side
    20,348.91x = 192,576,992.06
  5. Step 5: Solve for x
    x = 192,576,992.06/20,348.91
  6. Step 6: Final answer
    x = 9,463.75

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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.