Home / 20,203.17-30,304.79-9,670.73

Finding the Fourth Proportional to 20,203.17, 30,304.79 and 9,670.73

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Solution

The fourth proportional to 20,203.17, 30,304.79 and 9,670.73 is: 14,506.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,203.17 : 30,304.79 = 9,670.73 : x
  2. Step 2: Convert to fraction form
    20,203.17/30,304.79 = 9,670.73/x
  3. Step 3: Cross multiply
    20,203.17x = 30,304.79 × 9,670.73
  4. Step 4: Simplify right side
    20,203.17x = 293,069,241.92
  5. Step 5: Solve for x
    x = 293,069,241.92/20,203.17
  6. Step 6: Final answer
    x = 14,506.10

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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.