Home / 11,628.91-17,445.53-5,384.80

Finding the Fourth Proportional to 11,628.91, 17,445.53 and 5,384.80

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Solution

The fourth proportional to 11,628.91, 17,445.53 and 5,384.80 is: 8,078.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,628.91 : 17,445.53 = 5,384.80 : x
  2. Step 2: Convert to fraction form
    11,628.91/17,445.53 = 5,384.80/x
  3. Step 3: Cross multiply
    11,628.91x = 17,445.53 × 5,384.80
  4. Step 4: Simplify right side
    11,628.91x = 93,940,689.94
  5. Step 5: Solve for x
    x = 93,940,689.94/11,628.91
  6. Step 6: Final answer
    x = 8,078.20

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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.