Home / 20,394.04-30,600.11-7,915.03

Finding the Fourth Proportional to 20,394.04, 30,600.11 and 7,915.03

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Solution

The fourth proportional to 20,394.04, 30,600.11 and 7,915.03 is: 11,876.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,394.04 : 30,600.11 = 7,915.03 : x
  2. Step 2: Convert to fraction form
    20,394.04/30,600.11 = 7,915.03/x
  3. Step 3: Cross multiply
    20,394.04x = 30,600.11 × 7,915.03
  4. Step 4: Simplify right side
    20,394.04x = 242,200,672.58
  5. Step 5: Solve for x
    x = 242,200,672.58/20,394.04
  6. Step 6: Final answer
    x = 11,876.05

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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.