Home / 12,010.88-16,582.62-8,240.36

Finding the Fourth Proportional to 12,010.88, 16,582.62 and 8,240.36

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Solution

The fourth proportional to 12,010.88, 16,582.62 and 8,240.36 is: 11,376.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,010.88 : 16,582.62 = 8,240.36 : x
  2. Step 2: Convert to fraction form
    12,010.88/16,582.62 = 8,240.36/x
  3. Step 3: Cross multiply
    12,010.88x = 16,582.62 × 8,240.36
  4. Step 4: Simplify right side
    12,010.88x = 136,646,758.54
  5. Step 5: Solve for x
    x = 136,646,758.54/12,010.88
  6. Step 6: Final answer
    x = 11,376.91

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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.