Home / 11,278.31-16,918.34-4,706.37

Finding the Fourth Proportional to 11,278.31, 16,918.34 and 4,706.37

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Solution

The fourth proportional to 11,278.31, 16,918.34 and 4,706.37 is: 7,059.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,278.31 : 16,918.34 = 4,706.37 : x
  2. Step 2: Convert to fraction form
    11,278.31/16,918.34 = 4,706.37/x
  3. Step 3: Cross multiply
    11,278.31x = 16,918.34 × 4,706.37
  4. Step 4: Simplify right side
    11,278.31x = 79,623,944.29
  5. Step 5: Solve for x
    x = 79,623,944.29/11,278.31
  6. Step 6: Final answer
    x = 7,059.92

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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.