Home / 11,254.82-15,531.75-6,218.91

Finding the Fourth Proportional to 11,254.82, 15,531.75 and 6,218.91

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Solution

The fourth proportional to 11,254.82, 15,531.75 and 6,218.91 is: 8,582.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,254.82 : 15,531.75 = 6,218.91 : x
  2. Step 2: Convert to fraction form
    11,254.82/15,531.75 = 6,218.91/x
  3. Step 3: Cross multiply
    11,254.82x = 15,531.75 × 6,218.91
  4. Step 4: Simplify right side
    11,254.82x = 96,590,555.39
  5. Step 5: Solve for x
    x = 96,590,555.39/11,254.82
  6. Step 6: Final answer
    x = 8,582.15

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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.