Home / 14,491.20-21,736.80-4,103.04

Finding the Fourth Proportional to 14,491.20, 21,736.80 and 4,103.04

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Solution

The fourth proportional to 14,491.20, 21,736.80 and 4,103.04 is: 6,154.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,491.20 : 21,736.80 = 4,103.04 : x
  2. Step 2: Convert to fraction form
    14,491.20/21,736.80 = 4,103.04/x
  3. Step 3: Cross multiply
    14,491.20x = 21,736.80 × 4,103.04
  4. Step 4: Simplify right side
    14,491.20x = 89,186,959.87
  5. Step 5: Solve for x
    x = 89,186,959.87/14,491.20
  6. Step 6: Final answer
    x = 6,154.56

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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.