Home / 23,278.66-34,923.42-6,638.90

Finding the Fourth Proportional to 23,278.66, 34,923.42 and 6,638.90

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Solution

The fourth proportional to 23,278.66, 34,923.42 and 6,638.90 is: 9,959.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,278.66 : 34,923.42 = 6,638.90 : x
  2. Step 2: Convert to fraction form
    23,278.66/34,923.42 = 6,638.90/x
  3. Step 3: Cross multiply
    23,278.66x = 34,923.42 × 6,638.90
  4. Step 4: Simplify right side
    23,278.66x = 231,852,918.42
  5. Step 5: Solve for x
    x = 231,852,918.42/23,278.66
  6. Step 6: Final answer
    x = 9,959.89

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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.