Home / 14,227.56-21,339.90-3,840.36

Finding the Fourth Proportional to 14,227.56, 21,339.90 and 3,840.36

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Solution

The fourth proportional to 14,227.56, 21,339.90 and 3,840.36 is: 5,760.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,227.56 : 21,339.90 = 3,840.36 : x
  2. Step 2: Convert to fraction form
    14,227.56/21,339.90 = 3,840.36/x
  3. Step 3: Cross multiply
    14,227.56x = 21,339.90 × 3,840.36
  4. Step 4: Simplify right side
    14,227.56x = 81,952,898.36
  5. Step 5: Solve for x
    x = 81,952,898.36/14,227.56
  6. Step 6: Final answer
    x = 5,760.15

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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.