Home / 20,352.69-30,530.97-6,312.87

Finding the Fourth Proportional to 20,352.69, 30,530.97 and 6,312.87

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Solution

The fourth proportional to 20,352.69, 30,530.97 and 6,312.87 is: 9,469.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,352.69 : 30,530.97 = 6,312.87 : x
  2. Step 2: Convert to fraction form
    20,352.69/30,530.97 = 6,312.87/x
  3. Step 3: Cross multiply
    20,352.69x = 30,530.97 × 6,312.87
  4. Step 4: Simplify right side
    20,352.69x = 192,738,044.58
  5. Step 5: Solve for x
    x = 192,738,044.58/20,352.69
  6. Step 6: Final answer
    x = 9,469.91

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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.