Home / 12,503.34-18,753.26-4,183.18

Finding the Fourth Proportional to 12,503.34, 18,753.26 and 4,183.18

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Solution

The fourth proportional to 12,503.34, 18,753.26 and 4,183.18 is: 6,274.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,503.34 : 18,753.26 = 4,183.18 : x
  2. Step 2: Convert to fraction form
    12,503.34/18,753.26 = 4,183.18/x
  3. Step 3: Cross multiply
    12,503.34x = 18,753.26 × 4,183.18
  4. Step 4: Simplify right side
    12,503.34x = 78,448,262.17
  5. Step 5: Solve for x
    x = 78,448,262.17/12,503.34
  6. Step 6: Final answer
    x = 6,274.18

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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.