Home / 12,668.55-18,997.35-3,901.52

Finding the Fourth Proportional to 12,668.55, 18,997.35 and 3,901.52

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Solution

The fourth proportional to 12,668.55, 18,997.35 and 3,901.52 is: 5,850.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,668.55 : 18,997.35 = 3,901.52 : x
  2. Step 2: Convert to fraction form
    12,668.55/18,997.35 = 3,901.52/x
  3. Step 3: Cross multiply
    12,668.55x = 18,997.35 × 3,901.52
  4. Step 4: Simplify right side
    12,668.55x = 74,118,445.99
  5. Step 5: Solve for x
    x = 74,118,445.99/12,668.55
  6. Step 6: Final answer
    x = 5,850.59

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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.