Home / 11,189.03-15,440.46-6,153.21

Finding the Fourth Proportional to 11,189.03, 15,440.46 and 6,153.21

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Solution

The fourth proportional to 11,189.03, 15,440.46 and 6,153.21 is: 8,491.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,189.03 : 15,440.46 = 6,153.21 : x
  2. Step 2: Convert to fraction form
    11,189.03/15,440.46 = 6,153.21/x
  3. Step 3: Cross multiply
    11,189.03x = 15,440.46 × 6,153.21
  4. Step 4: Simplify right side
    11,189.03x = 95,008,392.88
  5. Step 5: Solve for x
    x = 95,008,392.88/11,189.03
  6. Step 6: Final answer
    x = 8,491.21

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Half scale
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Double scale
Find fourth proportional to 11,190.03, 15,441.84 and 6,154.21
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.