Home / 18,128.06-25,014.36-10,170.26

Finding the Fourth Proportional to 18,128.06, 25,014.36 and 10,170.26

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Solution

The fourth proportional to 18,128.06, 25,014.36 and 10,170.26 is: 14,033.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,128.06 : 25,014.36 = 10,170.26 : x
  2. Step 2: Convert to fraction form
    18,128.06/25,014.36 = 10,170.26/x
  3. Step 3: Cross multiply
    18,128.06x = 25,014.36 × 10,170.26
  4. Step 4: Simplify right side
    18,128.06x = 254,402,544.93
  5. Step 5: Solve for x
    x = 254,402,544.93/18,128.06
  6. Step 6: Final answer
    x = 14,033.63

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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.