Home / 14,429.24-19,913.28-8,142.02

Finding the Fourth Proportional to 14,429.24, 19,913.28 and 8,142.02

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Solution

The fourth proportional to 14,429.24, 19,913.28 and 8,142.02 is: 11,236.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,429.24 : 19,913.28 = 8,142.02 : x
  2. Step 2: Convert to fraction form
    14,429.24/19,913.28 = 8,142.02/x
  3. Step 3: Cross multiply
    14,429.24x = 19,913.28 × 8,142.02
  4. Step 4: Simplify right side
    14,429.24x = 162,134,324.03
  5. Step 5: Solve for x
    x = 162,134,324.03/14,429.24
  6. Step 6: Final answer
    x = 11,236.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.