Home / 12,084.24-18,123.72-6,154.86

Finding the Fourth Proportional to 12,084.24, 18,123.72 and 6,154.86

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Solution

The fourth proportional to 12,084.24, 18,123.72 and 6,154.86 is: 9,230.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,084.24 : 18,123.72 = 6,154.86 : x
  2. Step 2: Convert to fraction form
    12,084.24/18,123.72 = 6,154.86/x
  3. Step 3: Cross multiply
    12,084.24x = 18,123.72 × 6,154.86
  4. Step 4: Simplify right side
    12,084.24x = 111,548,959.28
  5. Step 5: Solve for x
    x = 111,548,959.28/12,084.24
  6. Step 6: Final answer
    x = 9,230.95

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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.