Home / 11,144.49-15,376.33-6,893.51

Finding the Fourth Proportional to 11,144.49, 15,376.33 and 6,893.51

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Solution

The fourth proportional to 11,144.49, 15,376.33 and 6,893.51 is: 9,511.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,144.49 : 15,376.33 = 6,893.51 : x
  2. Step 2: Convert to fraction form
    11,144.49/15,376.33 = 6,893.51/x
  3. Step 3: Cross multiply
    11,144.49x = 15,376.33 × 6,893.51
  4. Step 4: Simplify right side
    11,144.49x = 105,996,773.27
  5. Step 5: Solve for x
    x = 105,996,773.27/11,144.49
  6. Step 6: Final answer
    x = 9,511.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.