Home / 20,184.24-30,276.44-5,393.20

Finding the Fourth Proportional to 20,184.24, 30,276.44 and 5,393.20

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Solution

The fourth proportional to 20,184.24, 30,276.44 and 5,393.20 is: 8,089.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,184.24 : 30,276.44 = 5,393.20 : x
  2. Step 2: Convert to fraction form
    20,184.24/30,276.44 = 5,393.20/x
  3. Step 3: Cross multiply
    20,184.24x = 30,276.44 × 5,393.20
  4. Step 4: Simplify right side
    20,184.24x = 163,286,896.21
  5. Step 5: Solve for x
    x = 163,286,896.21/20,184.24
  6. Step 6: Final answer
    x = 8,089.82

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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.