Home / 10,231.86-15,347.46-2,836.77

Finding the Fourth Proportional to 10,231.86, 15,347.46 and 2,836.77

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Solution

The fourth proportional to 10,231.86, 15,347.46 and 2,836.77 is: 4,255.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,231.86 : 15,347.46 = 2,836.77 : x
  2. Step 2: Convert to fraction form
    10,231.86/15,347.46 = 2,836.77/x
  3. Step 3: Cross multiply
    10,231.86x = 15,347.46 × 2,836.77
  4. Step 4: Simplify right side
    10,231.86x = 43,537,214.10
  5. Step 5: Solve for x
    x = 43,537,214.10/10,231.86
  6. Step 6: Final answer
    x = 4,255.06

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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.