Home / 20,235.04-30,344.88-6,190.80

Finding the Fourth Proportional to 20,235.04, 30,344.88 and 6,190.80

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Solution

The fourth proportional to 20,235.04, 30,344.88 and 6,190.80 is: 9,283.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,235.04 : 30,344.88 = 6,190.80 : x
  2. Step 2: Convert to fraction form
    20,235.04/30,344.88 = 6,190.80/x
  3. Step 3: Cross multiply
    20,235.04x = 30,344.88 × 6,190.80
  4. Step 4: Simplify right side
    20,235.04x = 187,859,083.10
  5. Step 5: Solve for x
    x = 187,859,083.10/20,235.04
  6. Step 6: Final answer
    x = 9,283.85

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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.