Home / 20,184.26-30,278.02-5,393.06

Finding the Fourth Proportional to 20,184.26, 30,278.02 and 5,393.06

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Solution

The fourth proportional to 20,184.26, 30,278.02 and 5,393.06 is: 8,090.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,184.26 : 30,278.02 = 5,393.06 : x
  2. Step 2: Convert to fraction form
    20,184.26/30,278.02 = 5,393.06/x
  3. Step 3: Cross multiply
    20,184.26x = 30,278.02 × 5,393.06
  4. Step 4: Simplify right side
    20,184.26x = 163,291,178.54
  5. Step 5: Solve for x
    x = 163,291,178.54/20,184.26
  6. Step 6: Final answer
    x = 8,090.03

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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.