Home / 12,668.12-19,002.96-4,876.94

Finding the Fourth Proportional to 12,668.12, 19,002.96 and 4,876.94

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Solution

The fourth proportional to 12,668.12, 19,002.96 and 4,876.94 is: 7,315.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,668.12 : 19,002.96 = 4,876.94 : x
  2. Step 2: Convert to fraction form
    12,668.12/19,002.96 = 4,876.94/x
  3. Step 3: Cross multiply
    12,668.12x = 19,002.96 × 4,876.94
  4. Step 4: Simplify right side
    12,668.12x = 92,676,295.74
  5. Step 5: Solve for x
    x = 92,676,295.74/12,668.12
  6. Step 6: Final answer
    x = 7,315.71

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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.