Home / 13,862.43-19,131.93-7,896.24

Finding the Fourth Proportional to 13,862.43, 19,131.93 and 7,896.24

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Solution

The fourth proportional to 13,862.43, 19,131.93 and 7,896.24 is: 10,897.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,862.43 : 19,131.93 = 7,896.24 : x
  2. Step 2: Convert to fraction form
    13,862.43/19,131.93 = 7,896.24/x
  3. Step 3: Cross multiply
    13,862.43x = 19,131.93 × 7,896.24
  4. Step 4: Simplify right side
    13,862.43x = 151,070,310.94
  5. Step 5: Solve for x
    x = 151,070,310.94/13,862.43
  6. Step 6: Final answer
    x = 10,897.82

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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.