Home / 11,159.89-16,739.43-3,368.50

Finding the Fourth Proportional to 11,159.89, 16,739.43 and 3,368.50

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Solution

The fourth proportional to 11,159.89, 16,739.43 and 3,368.50 is: 5,052.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,159.89 : 16,739.43 = 3,368.50 : x
  2. Step 2: Convert to fraction form
    11,159.89/16,739.43 = 3,368.50/x
  3. Step 3: Cross multiply
    11,159.89x = 16,739.43 × 3,368.50
  4. Step 4: Simplify right side
    11,159.89x = 56,386,769.96
  5. Step 5: Solve for x
    x = 56,386,769.96/11,159.89
  6. Step 6: Final answer
    x = 5,052.63

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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.