Home / 20,287.34-30,433.57-6,962.93

Finding the Fourth Proportional to 20,287.34, 30,433.57 and 6,962.93

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Solution

The fourth proportional to 20,287.34, 30,433.57 and 6,962.93 is: 10,445.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,287.34 : 30,433.57 = 6,962.93 : x
  2. Step 2: Convert to fraction form
    20,287.34/30,433.57 = 6,962.93/x
  3. Step 3: Cross multiply
    20,287.34x = 30,433.57 × 6,962.93
  4. Step 4: Simplify right side
    20,287.34x = 211,906,817.56
  5. Step 5: Solve for x
    x = 211,906,817.56/20,287.34
  6. Step 6: Final answer
    x = 10,445.27

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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.