Home / 11,457.21-17,186.22-5,612.25

Finding the Fourth Proportional to 11,457.21, 17,186.22 and 5,612.25

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Solution

The fourth proportional to 11,457.21, 17,186.22 and 5,612.25 is: 8,418.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,457.21 : 17,186.22 = 5,612.25 : x
  2. Step 2: Convert to fraction form
    11,457.21/17,186.22 = 5,612.25/x
  3. Step 3: Cross multiply
    11,457.21x = 17,186.22 × 5,612.25
  4. Step 4: Simplify right side
    11,457.21x = 96,453,363.20
  5. Step 5: Solve for x
    x = 96,453,363.20/11,457.21
  6. Step 6: Final answer
    x = 8,418.57

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Half scale
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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.