Home / 19,458.63-29,141.17-11,113.38

Finding the Fourth Proportional to 19,458.63, 29,141.17 and 11,113.38

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Solution

The fourth proportional to 19,458.63, 29,141.17 and 11,113.38 is: 16,643.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,458.63 : 29,141.17 = 11,113.38 : x
  2. Step 2: Convert to fraction form
    19,458.63/29,141.17 = 11,113.38/x
  3. Step 3: Cross multiply
    19,458.63x = 29,141.17 × 11,113.38
  4. Step 4: Simplify right side
    19,458.63x = 323,856,895.85
  5. Step 5: Solve for x
    x = 323,856,895.85/19,458.63
  6. Step 6: Final answer
    x = 16,643.36

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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.