Home / 11,309.75-16,971.93-4,384.25

Finding the Fourth Proportional to 11,309.75, 16,971.93 and 4,384.25

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Solution

The fourth proportional to 11,309.75, 16,971.93 and 4,384.25 is: 6,579.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,309.75 : 16,971.93 = 4,384.25 : x
  2. Step 2: Convert to fraction form
    11,309.75/16,971.93 = 4,384.25/x
  3. Step 3: Cross multiply
    11,309.75x = 16,971.93 × 4,384.25
  4. Step 4: Simplify right side
    11,309.75x = 74,409,184.10
  5. Step 5: Solve for x
    x = 74,409,184.10/11,309.75
  6. Step 6: Final answer
    x = 6,579.21

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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.