Home / 11,718.48-17,459.37-11,161.20

Finding the Fourth Proportional to 11,718.48, 17,459.37 and 11,161.20

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Solution

The fourth proportional to 11,718.48, 17,459.37 and 11,161.20 is: 16,629.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,718.48 : 17,459.37 = 11,161.20 : x
  2. Step 2: Convert to fraction form
    11,718.48/17,459.37 = 11,161.20/x
  3. Step 3: Cross multiply
    11,718.48x = 17,459.37 × 11,161.20
  4. Step 4: Simplify right side
    11,718.48x = 194,867,520.44
  5. Step 5: Solve for x
    x = 194,867,520.44/11,718.48
  6. Step 6: Final answer
    x = 16,629.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.