Home / 14,135.26-21,273.80-10,643.36

Finding the Fourth Proportional to 14,135.26, 21,273.80 and 10,643.36

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Solution

The fourth proportional to 14,135.26, 21,273.80 and 10,643.36 is: 16,018.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,135.26 : 21,273.80 = 10,643.36 : x
  2. Step 2: Convert to fraction form
    14,135.26/21,273.80 = 10,643.36/x
  3. Step 3: Cross multiply
    14,135.26x = 21,273.80 × 10,643.36
  4. Step 4: Simplify right side
    14,135.26x = 226,424,711.97
  5. Step 5: Solve for x
    x = 226,424,711.97/14,135.26
  6. Step 6: Final answer
    x = 16,018.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.