Home / 14,004.29-19,326.79-7,716.65

Finding the Fourth Proportional to 14,004.29, 19,326.79 and 7,716.65

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Solution

The fourth proportional to 14,004.29, 19,326.79 and 7,716.65 is: 10,649.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,004.29 : 19,326.79 = 7,716.65 : x
  2. Step 2: Convert to fraction form
    14,004.29/19,326.79 = 7,716.65/x
  3. Step 3: Cross multiply
    14,004.29x = 19,326.79 × 7,716.65
  4. Step 4: Simplify right side
    14,004.29x = 149,138,035.47
  5. Step 5: Solve for x
    x = 149,138,035.47/14,004.29
  6. Step 6: Final answer
    x = 10,649.45

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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.