Home / 20,052.98-30,078.83-9,530.57

Finding the Fourth Proportional to 20,052.98, 30,078.83 and 9,530.57

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Solution

The fourth proportional to 20,052.98, 30,078.83 and 9,530.57 is: 14,295.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,052.98 : 30,078.83 = 9,530.57 : x
  2. Step 2: Convert to fraction form
    20,052.98/30,078.83 = 9,530.57/x
  3. Step 3: Cross multiply
    20,052.98x = 30,078.83 × 9,530.57
  4. Step 4: Simplify right side
    20,052.98x = 286,668,196.79
  5. Step 5: Solve for x
    x = 286,668,196.79/20,052.98
  6. Step 6: Final answer
    x = 14,295.54

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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.