Home / 12,064.14-18,104.76-5,491.17

Finding the Fourth Proportional to 12,064.14, 18,104.76 and 5,491.17

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Solution

The fourth proportional to 12,064.14, 18,104.76 and 5,491.17 is: 8,240.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,064.14 : 18,104.76 = 5,491.17 : x
  2. Step 2: Convert to fraction form
    12,064.14/18,104.76 = 5,491.17/x
  3. Step 3: Cross multiply
    12,064.14x = 18,104.76 × 5,491.17
  4. Step 4: Simplify right side
    12,064.14x = 99,416,314.97
  5. Step 5: Solve for x
    x = 99,416,314.97/12,064.14
  6. Step 6: Final answer
    x = 8,240.65

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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.