Home / 20,209.64-30,314.10-7,061.96

Finding the Fourth Proportional to 20,209.64, 30,314.10 and 7,061.96

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Solution

The fourth proportional to 20,209.64, 30,314.10 and 7,061.96 is: 10,592.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,209.64 : 30,314.10 = 7,061.96 : x
  2. Step 2: Convert to fraction form
    20,209.64/30,314.10 = 7,061.96/x
  3. Step 3: Cross multiply
    20,209.64x = 30,314.10 × 7,061.96
  4. Step 4: Simplify right side
    20,209.64x = 214,076,961.64
  5. Step 5: Solve for x
    x = 214,076,961.64/20,209.64
  6. Step 6: Final answer
    x = 10,592.81

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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.