Home / 11,746.76-17,620.09-2,981.66

Finding the Fourth Proportional to 11,746.76, 17,620.09 and 2,981.66

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Solution

The fourth proportional to 11,746.76, 17,620.09 and 2,981.66 is: 4,472.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,746.76 : 17,620.09 = 2,981.66 : x
  2. Step 2: Convert to fraction form
    11,746.76/17,620.09 = 2,981.66/x
  3. Step 3: Cross multiply
    11,746.76x = 17,620.09 × 2,981.66
  4. Step 4: Simplify right side
    11,746.76x = 52,537,021.99
  5. Step 5: Solve for x
    x = 52,537,021.99/11,746.76
  6. Step 6: Final answer
    x = 4,472.47

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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.