Home / 20,391.41-30,583.68-5,596.90

Finding the Fourth Proportional to 20,391.41, 30,583.68 and 5,596.90

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Solution

The fourth proportional to 20,391.41, 30,583.68 and 5,596.90 is: 8,394.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,391.41 : 30,583.68 = 5,596.90 : x
  2. Step 2: Convert to fraction form
    20,391.41/30,583.68 = 5,596.90/x
  3. Step 3: Cross multiply
    20,391.41x = 30,583.68 × 5,596.90
  4. Step 4: Simplify right side
    20,391.41x = 171,173,701.14
  5. Step 5: Solve for x
    x = 171,173,701.14/20,391.41
  6. Step 6: Final answer
    x = 8,394.40

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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.