Home / 20,102.04-30,157.20-6,952.68

Finding the Fourth Proportional to 20,102.04, 30,157.20 and 6,952.68

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Solution

The fourth proportional to 20,102.04, 30,157.20 and 6,952.68 is: 10,430.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,102.04 : 30,157.20 = 6,952.68 : x
  2. Step 2: Convert to fraction form
    20,102.04/30,157.20 = 6,952.68/x
  3. Step 3: Cross multiply
    20,102.04x = 30,157.20 × 6,952.68
  4. Step 4: Simplify right side
    20,102.04x = 209,673,361.30
  5. Step 5: Solve for x
    x = 209,673,361.30/20,102.04
  6. Step 6: Final answer
    x = 10,430.45

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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.