Home / 18,126.06-25,011.60-10,168.26

Finding the Fourth Proportional to 18,126.06, 25,011.60 and 10,168.26

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Solution

The fourth proportional to 18,126.06, 25,011.60 and 10,168.26 is: 14,030.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,126.06 : 25,011.60 = 10,168.26 : x
  2. Step 2: Convert to fraction form
    18,126.06/25,011.60 = 10,168.26/x
  3. Step 3: Cross multiply
    18,126.06x = 25,011.60 × 10,168.26
  4. Step 4: Simplify right side
    18,126.06x = 254,324,451.82
  5. Step 5: Solve for x
    x = 254,324,451.82/18,126.06
  6. Step 6: Final answer
    x = 14,030.87

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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.