Home / 20,462.04-30,682.73-7,972.45

Finding the Fourth Proportional to 20,462.04, 30,682.73 and 7,972.45

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Solution

The fourth proportional to 20,462.04, 30,682.73 and 7,972.45 is: 11,954.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,462.04 : 30,682.73 = 7,972.45 : x
  2. Step 2: Convert to fraction form
    20,462.04/30,682.73 = 7,972.45/x
  3. Step 3: Cross multiply
    20,462.04x = 30,682.73 × 7,972.45
  4. Step 4: Simplify right side
    20,462.04x = 244,616,474.01
  5. Step 5: Solve for x
    x = 244,616,474.01/20,462.04
  6. Step 6: Final answer
    x = 11,954.65

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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.