Home / 14,004.39-19,325.64-7,716.78

Finding the Fourth Proportional to 14,004.39, 19,325.64 and 7,716.78

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Solution

The fourth proportional to 14,004.39, 19,325.64 and 7,716.78 is: 10,648.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,004.39 : 19,325.64 = 7,716.78 : x
  2. Step 2: Convert to fraction form
    14,004.39/19,325.64 = 7,716.78/x
  3. Step 3: Cross multiply
    14,004.39x = 19,325.64 × 7,716.78
  4. Step 4: Simplify right side
    14,004.39x = 149,131,712.24
  5. Step 5: Solve for x
    x = 149,131,712.24/14,004.39
  6. Step 6: Final answer
    x = 10,648.93

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1.5x scale

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.