Home / 20,203.34-30,317.64-7,724.42

Finding the Fourth Proportional to 20,203.34, 30,317.64 and 7,724.42

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Solution

The fourth proportional to 20,203.34, 30,317.64 and 7,724.42 is: 11,591.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,203.34 : 30,317.64 = 7,724.42 : x
  2. Step 2: Convert to fraction form
    20,203.34/30,317.64 = 7,724.42/x
  3. Step 3: Cross multiply
    20,203.34x = 30,317.64 × 7,724.42
  4. Step 4: Simplify right side
    20,203.34x = 234,186,184.77
  5. Step 5: Solve for x
    x = 234,186,184.77/20,203.34
  6. Step 6: Final answer
    x = 11,591.46

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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.