Home / 18,608.28-25,678.80-10,224.60

Finding the Fourth Proportional to 18,608.28, 25,678.80 and 10,224.60

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Solution

The fourth proportional to 18,608.28, 25,678.80 and 10,224.60 is: 14,109.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,608.28 : 25,678.80 = 10,224.60 : x
  2. Step 2: Convert to fraction form
    18,608.28/25,678.80 = 10,224.60/x
  3. Step 3: Cross multiply
    18,608.28x = 25,678.80 × 10,224.60
  4. Step 4: Simplify right side
    18,608.28x = 262,555,458.48
  5. Step 5: Solve for x
    x = 262,555,458.48/18,608.28
  6. Step 6: Final answer
    x = 14,109.60

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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.