Home / 20,184.66-30,278.50-5,393.24

Finding the Fourth Proportional to 20,184.66, 30,278.50 and 5,393.24

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Solution

The fourth proportional to 20,184.66, 30,278.50 and 5,393.24 is: 8,090.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,184.66 : 30,278.50 = 5,393.24 : x
  2. Step 2: Convert to fraction form
    20,184.66/30,278.50 = 5,393.24/x
  3. Step 3: Cross multiply
    20,184.66x = 30,278.50 × 5,393.24
  4. Step 4: Simplify right side
    20,184.66x = 163,299,217.34
  5. Step 5: Solve for x
    x = 163,299,217.34/20,184.66
  6. Step 6: Final answer
    x = 8,090.26

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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.