Home / 18,469.06-25,487.38-10,085.56

Finding the Fourth Proportional to 18,469.06, 25,487.38 and 10,085.56

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Solution

The fourth proportional to 18,469.06, 25,487.38 and 10,085.56 is: 13,918.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,469.06 : 25,487.38 = 10,085.56 : x
  2. Step 2: Convert to fraction form
    18,469.06/25,487.38 = 10,085.56/x
  3. Step 3: Cross multiply
    18,469.06x = 25,487.38 × 10,085.56
  4. Step 4: Simplify right side
    18,469.06x = 257,054,500.23
  5. Step 5: Solve for x
    x = 257,054,500.23/18,469.06
  6. Step 6: Final answer
    x = 13,918.11

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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.