Home / 14,318.24-19,760.36-7,945.43

Finding the Fourth Proportional to 14,318.24, 19,760.36 and 7,945.43

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Solution

The fourth proportional to 14,318.24, 19,760.36 and 7,945.43 is: 10,965.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,318.24 : 19,760.36 = 7,945.43 : x
  2. Step 2: Convert to fraction form
    14,318.24/19,760.36 = 7,945.43/x
  3. Step 3: Cross multiply
    14,318.24x = 19,760.36 × 7,945.43
  4. Step 4: Simplify right side
    14,318.24x = 157,004,418.63
  5. Step 5: Solve for x
    x = 157,004,418.63/14,318.24
  6. Step 6: Final answer
    x = 10,965.35

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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.