Home / 11,254.30-16,881.45-4,234.30

Finding the Fourth Proportional to 11,254.30, 16,881.45 and 4,234.30

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Solution

The fourth proportional to 11,254.30, 16,881.45 and 4,234.30 is: 6,351.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,254.30 : 16,881.45 = 4,234.30 : x
  2. Step 2: Convert to fraction form
    11,254.30/16,881.45 = 4,234.30/x
  3. Step 3: Cross multiply
    11,254.30x = 16,881.45 × 4,234.30
  4. Step 4: Simplify right side
    11,254.30x = 71,481,123.74
  5. Step 5: Solve for x
    x = 71,481,123.74/11,254.30
  6. Step 6: Final answer
    x = 6,351.45

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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.