Home / 14,042.23-19,378.31-7,668.87

Finding the Fourth Proportional to 14,042.23, 19,378.31 and 7,668.87

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Solution

The fourth proportional to 14,042.23, 19,378.31 and 7,668.87 is: 10,583.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,042.23 : 19,378.31 = 7,668.87 : x
  2. Step 2: Convert to fraction form
    14,042.23/19,378.31 = 7,668.87/x
  3. Step 3: Cross multiply
    14,042.23x = 19,378.31 × 7,668.87
  4. Step 4: Simplify right side
    14,042.23x = 148,609,629.20
  5. Step 5: Solve for x
    x = 148,609,629.20/14,042.23
  6. Step 6: Final answer
    x = 10,583.05

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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.