Home / 13,936.24-21,000.25-11,525.28

Finding the Fourth Proportional to 13,936.24, 21,000.25 and 11,525.28

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Solution

The fourth proportional to 13,936.24, 21,000.25 and 11,525.28 is: 17,367.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,936.24 : 21,000.25 = 11,525.28 : x
  2. Step 2: Convert to fraction form
    13,936.24/21,000.25 = 11,525.28/x
  3. Step 3: Cross multiply
    13,936.24x = 21,000.25 × 11,525.28
  4. Step 4: Simplify right side
    13,936.24x = 242,033,656.32
  5. Step 5: Solve for x
    x = 242,033,656.32/13,936.24
  6. Step 6: Final answer
    x = 17,367.21

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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.