Home / 20,181.30-30,293.94-15,304.26

Finding the Fourth Proportional to 20,181.30, 30,293.94 and 15,304.26

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Solution

The fourth proportional to 20,181.30, 30,293.94 and 15,304.26 is: 22,973.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,181.30 : 30,293.94 = 15,304.26 : x
  2. Step 2: Convert to fraction form
    20,181.30/30,293.94 = 15,304.26/x
  3. Step 3: Cross multiply
    20,181.30x = 30,293.94 × 15,304.26
  4. Step 4: Simplify right side
    20,181.30x = 463,626,334.18
  5. Step 5: Solve for x
    x = 463,626,334.18/20,181.30
  6. Step 6: Final answer
    x = 22,973.07

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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.