Home / 10,990.86-16,486.06-2,670.92

Finding the Fourth Proportional to 10,990.86, 16,486.06 and 2,670.92

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Solution

The fourth proportional to 10,990.86, 16,486.06 and 2,670.92 is: 4,006.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,990.86 : 16,486.06 = 2,670.92 : x
  2. Step 2: Convert to fraction form
    10,990.86/16,486.06 = 2,670.92/x
  3. Step 3: Cross multiply
    10,990.86x = 16,486.06 × 2,670.92
  4. Step 4: Simplify right side
    10,990.86x = 44,032,920.09
  5. Step 5: Solve for x
    x = 44,032,920.09/10,990.86
  6. Step 6: Final answer
    x = 4,006.32

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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.