Home / 20,302.17-30,445.44-6,972.68

Finding the Fourth Proportional to 20,302.17, 30,445.44 and 6,972.68

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Solution

The fourth proportional to 20,302.17, 30,445.44 and 6,972.68 is: 10,456.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,302.17 : 30,445.44 = 6,972.68 : x
  2. Step 2: Convert to fraction form
    20,302.17/30,445.44 = 6,972.68/x
  3. Step 3: Cross multiply
    20,302.17x = 30,445.44 × 6,972.68
  4. Step 4: Simplify right side
    20,302.17x = 212,286,310.58
  5. Step 5: Solve for x
    x = 212,286,310.58/20,302.17
  6. Step 6: Final answer
    x = 10,456.34

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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.