Home / 12,218.24-16,852.47-11,213.19

Finding the Fourth Proportional to 12,218.24, 16,852.47 and 11,213.19

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Solution

The fourth proportional to 12,218.24, 16,852.47 and 11,213.19 is: 15,466.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,218.24 : 16,852.47 = 11,213.19 : x
  2. Step 2: Convert to fraction form
    12,218.24/16,852.47 = 11,213.19/x
  3. Step 3: Cross multiply
    12,218.24x = 16,852.47 × 11,213.19
  4. Step 4: Simplify right side
    12,218.24x = 188,969,948.08
  5. Step 5: Solve for x
    x = 188,969,948.08/12,218.24
  6. Step 6: Final answer
    x = 15,466.22

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Double scale
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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.