Home / 18,465.04-25,481.40-10,081.60

Finding the Fourth Proportional to 18,465.04, 25,481.40 and 10,081.60

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Solution

The fourth proportional to 18,465.04, 25,481.40 and 10,081.60 is: 13,912.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,465.04 : 25,481.40 = 10,081.60 : x
  2. Step 2: Convert to fraction form
    18,465.04/25,481.40 = 10,081.60/x
  3. Step 3: Cross multiply
    18,465.04x = 25,481.40 × 10,081.60
  4. Step 4: Simplify right side
    18,465.04x = 256,893,282.24
  5. Step 5: Solve for x
    x = 256,893,282.24/18,465.04
  6. Step 6: Final answer
    x = 13,912.41

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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.