Home / 12,174.38-18,263.59-4,274.85

Finding the Fourth Proportional to 12,174.38, 18,263.59 and 4,274.85

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Solution

The fourth proportional to 12,174.38, 18,263.59 and 4,274.85 is: 6,412.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,174.38 : 18,263.59 = 4,274.85 : x
  2. Step 2: Convert to fraction form
    12,174.38/18,263.59 = 4,274.85/x
  3. Step 3: Cross multiply
    12,174.38x = 18,263.59 × 4,274.85
  4. Step 4: Simplify right side
    12,174.38x = 78,074,107.71
  5. Step 5: Solve for x
    x = 78,074,107.71/12,174.38
  6. Step 6: Final answer
    x = 6,412.98

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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.