Home / 20,258.21-30,387.32-5,467.13

Finding the Fourth Proportional to 20,258.21, 30,387.32 and 5,467.13

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Solution

The fourth proportional to 20,258.21, 30,387.32 and 5,467.13 is: 8,200.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,258.21 : 30,387.32 = 5,467.13 : x
  2. Step 2: Convert to fraction form
    20,258.21/30,387.32 = 5,467.13/x
  3. Step 3: Cross multiply
    20,258.21x = 30,387.32 × 5,467.13
  4. Step 4: Simplify right side
    20,258.21x = 166,131,428.79
  5. Step 5: Solve for x
    x = 166,131,428.79/20,258.21
  6. Step 6: Final answer
    x = 8,200.70

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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.