Home / 15,491.25-23,236.27-13,404.49

Finding the Fourth Proportional to 15,491.25, 23,236.27 and 13,404.49

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Solution

The fourth proportional to 15,491.25, 23,236.27 and 13,404.49 is: 20,106.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,491.25 : 23,236.27 = 13,404.49 : x
  2. Step 2: Convert to fraction form
    15,491.25/23,236.27 = 13,404.49/x
  3. Step 3: Cross multiply
    15,491.25x = 23,236.27 × 13,404.49
  4. Step 4: Simplify right side
    15,491.25x = 311,470,257.25
  5. Step 5: Solve for x
    x = 311,470,257.25/15,491.25
  6. Step 6: Final answer
    x = 20,106.21

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Double scale
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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.