Home / 20,254.18-30,381.18-5,464.60

Finding the Fourth Proportional to 20,254.18, 30,381.18 and 5,464.60

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Solution

The fourth proportional to 20,254.18, 30,381.18 and 5,464.60 is: 8,196.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,254.18 : 30,381.18 = 5,464.60 : x
  2. Step 2: Convert to fraction form
    20,254.18/30,381.18 = 5,464.60/x
  3. Step 3: Cross multiply
    20,254.18x = 30,381.18 × 5,464.60
  4. Step 4: Simplify right side
    20,254.18x = 166,020,996.23
  5. Step 5: Solve for x
    x = 166,020,996.23/20,254.18
  6. Step 6: Final answer
    x = 8,196.88

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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.