Home / 20,202.02-30,304.78-6,165.21

Finding the Fourth Proportional to 20,202.02, 30,304.78 and 6,165.21

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Solution

The fourth proportional to 20,202.02, 30,304.78 and 6,165.21 is: 9,248.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,202.02 : 30,304.78 = 6,165.21 : x
  2. Step 2: Convert to fraction form
    20,202.02/30,304.78 = 6,165.21/x
  3. Step 3: Cross multiply
    20,202.02x = 30,304.78 × 6,165.21
  4. Step 4: Simplify right side
    20,202.02x = 186,835,295.15
  5. Step 5: Solve for x
    x = 186,835,295.15/20,202.02
  6. Step 6: Final answer
    x = 9,248.35

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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.