Home / 20,084.75-30,087.91-9,539.76

Finding the Fourth Proportional to 20,084.75, 30,087.91 and 9,539.76

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Solution

The fourth proportional to 20,084.75, 30,087.91 and 9,539.76 is: 14,291.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,084.75 : 30,087.91 = 9,539.76 : x
  2. Step 2: Convert to fraction form
    20,084.75/30,087.91 = 9,539.76/x
  3. Step 3: Cross multiply
    20,084.75x = 30,087.91 × 9,539.76
  4. Step 4: Simplify right side
    20,084.75x = 287,031,416.45
  5. Step 5: Solve for x
    x = 287,031,416.45/20,084.75
  6. Step 6: Final answer
    x = 14,291.02

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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.