Home / 23,278.89-34,918.49-6,638.88

Finding the Fourth Proportional to 23,278.89, 34,918.49 and 6,638.88

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Solution

The fourth proportional to 23,278.89, 34,918.49 and 6,638.88 is: 9,958.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,278.89 : 34,918.49 = 6,638.88 : x
  2. Step 2: Convert to fraction form
    23,278.89/34,918.49 = 6,638.88/x
  3. Step 3: Cross multiply
    23,278.89x = 34,918.49 × 6,638.88
  4. Step 4: Simplify right side
    23,278.89x = 231,819,664.89
  5. Step 5: Solve for x
    x = 231,819,664.89/23,278.89
  6. Step 6: Final answer
    x = 9,958.36

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1.5x scale

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.