Home / 20,084.93-30,131.64-7,604.72

Finding the Fourth Proportional to 20,084.93, 30,131.64 and 7,604.72

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Solution

The fourth proportional to 20,084.93, 30,131.64 and 7,604.72 is: 11,408.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,084.93 : 30,131.64 = 7,604.72 : x
  2. Step 2: Convert to fraction form
    20,084.93/30,131.64 = 7,604.72/x
  3. Step 3: Cross multiply
    20,084.93x = 30,131.64 × 7,604.72
  4. Step 4: Simplify right side
    20,084.93x = 229,142,534.68
  5. Step 5: Solve for x
    x = 229,142,534.68/20,084.93
  6. Step 6: Final answer
    x = 11,408.68

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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.