Home / 15,755.09-23,608.03-13,405.44

Finding the Fourth Proportional to 15,755.09, 23,608.03 and 13,405.44

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Solution

The fourth proportional to 15,755.09, 23,608.03 and 13,405.44 is: 20,087.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,755.09 : 23,608.03 = 13,405.44 : x
  2. Step 2: Convert to fraction form
    15,755.09/23,608.03 = 13,405.44/x
  3. Step 3: Cross multiply
    15,755.09x = 23,608.03 × 13,405.44
  4. Step 4: Simplify right side
    15,755.09x = 316,475,981.54
  5. Step 5: Solve for x
    x = 316,475,981.54/15,755.09
  6. Step 6: Final answer
    x = 20,087.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.