Home / 12,444.52-18,668.13-3,679.45

Finding the Fourth Proportional to 12,444.52, 18,668.13 and 3,679.45

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Solution

The fourth proportional to 12,444.52, 18,668.13 and 3,679.45 is: 5,519.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,444.52 : 18,668.13 = 3,679.45 : x
  2. Step 2: Convert to fraction form
    12,444.52/18,668.13 = 3,679.45/x
  3. Step 3: Cross multiply
    12,444.52x = 18,668.13 × 3,679.45
  4. Step 4: Simplify right side
    12,444.52x = 68,688,450.93
  5. Step 5: Solve for x
    x = 68,688,450.93/12,444.52
  6. Step 6: Final answer
    x = 5,519.57

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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.