Home / 20,182.04-30,270.84-5,392.26

Finding the Fourth Proportional to 20,182.04, 30,270.84 and 5,392.26

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Solution

The fourth proportional to 20,182.04, 30,270.84 and 5,392.26 is: 8,087.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,182.04 : 30,270.84 = 5,392.26 : x
  2. Step 2: Convert to fraction form
    20,182.04/30,270.84 = 5,392.26/x
  3. Step 3: Cross multiply
    20,182.04x = 30,270.84 × 5,392.26
  4. Step 4: Simplify right side
    20,182.04x = 163,228,239.70
  5. Step 5: Solve for x
    x = 163,228,239.70/20,182.04
  6. Step 6: Final answer
    x = 8,087.80

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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.