Home / 25,093.60-34,629.20-13,763.19

Finding the Fourth Proportional to 25,093.60, 34,629.20 and 13,763.19

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Solution

The fourth proportional to 25,093.60, 34,629.20 and 13,763.19 is: 18,993.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,093.60 : 34,629.20 = 13,763.19 : x
  2. Step 2: Convert to fraction form
    25,093.60/34,629.20 = 13,763.19/x
  3. Step 3: Cross multiply
    25,093.60x = 34,629.20 × 13,763.19
  4. Step 4: Simplify right side
    25,093.60x = 476,608,259.15
  5. Step 5: Solve for x
    x = 476,608,259.15/25,093.60
  6. Step 6: Final answer
    x = 18,993.22

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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.