Home / 11,131.90-16,707.30-4,562.80

Finding the Fourth Proportional to 11,131.90, 16,707.30 and 4,562.80

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Solution

The fourth proportional to 11,131.90, 16,707.30 and 4,562.80 is: 6,848.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,131.90 : 16,707.30 = 4,562.80 : x
  2. Step 2: Convert to fraction form
    11,131.90/16,707.30 = 4,562.80/x
  3. Step 3: Cross multiply
    11,131.90x = 16,707.30 × 4,562.80
  4. Step 4: Simplify right side
    11,131.90x = 76,232,068.44
  5. Step 5: Solve for x
    x = 76,232,068.44/11,131.90
  6. Step 6: Final answer
    x = 6,848.07

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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.