Home / 14,228.24-21,343.44-3,840.08

Finding the Fourth Proportional to 14,228.24, 21,343.44 and 3,840.08

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Solution

The fourth proportional to 14,228.24, 21,343.44 and 3,840.08 is: 5,760.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,228.24 : 21,343.44 = 3,840.08 : x
  2. Step 2: Convert to fraction form
    14,228.24/21,343.44 = 3,840.08/x
  3. Step 3: Cross multiply
    14,228.24x = 21,343.44 × 3,840.08
  4. Step 4: Simplify right side
    14,228.24x = 81,960,517.08
  5. Step 5: Solve for x
    x = 81,960,517.08/14,228.24
  6. Step 6: Final answer
    x = 5,760.41

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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.