Home / 13,950.74-21,022.08-11,539.82

Finding the Fourth Proportional to 13,950.74, 21,022.08 and 11,539.82

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Solution

The fourth proportional to 13,950.74, 21,022.08 and 11,539.82 is: 17,389.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,950.74 : 21,022.08 = 11,539.82 : x
  2. Step 2: Convert to fraction form
    13,950.74/21,022.08 = 11,539.82/x
  3. Step 3: Cross multiply
    13,950.74x = 21,022.08 × 11,539.82
  4. Step 4: Simplify right side
    13,950.74x = 242,591,019.23
  5. Step 5: Solve for x
    x = 242,591,019.23/13,950.74
  6. Step 6: Final answer
    x = 17,389.11

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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.