Home / 21,552.26-29,735.19-13,051.67

Finding the Fourth Proportional to 21,552.26, 29,735.19 and 13,051.67

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Solution

The fourth proportional to 21,552.26, 29,735.19 and 13,051.67 is: 18,007.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,552.26 : 29,735.19 = 13,051.67 : x
  2. Step 2: Convert to fraction form
    21,552.26/29,735.19 = 13,051.67/x
  3. Step 3: Cross multiply
    21,552.26x = 29,735.19 × 13,051.67
  4. Step 4: Simplify right side
    21,552.26x = 388,093,887.27
  5. Step 5: Solve for x
    x = 388,093,887.27/21,552.26
  6. Step 6: Final answer
    x = 18,007.11

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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.