Home / 20,406.44-30,626.06-10,548.60

Finding the Fourth Proportional to 20,406.44, 30,626.06 and 10,548.60

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Solution

The fourth proportional to 20,406.44, 30,626.06 and 10,548.60 is: 15,831.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,406.44 : 30,626.06 = 10,548.60 : x
  2. Step 2: Convert to fraction form
    20,406.44/30,626.06 = 10,548.60/x
  3. Step 3: Cross multiply
    20,406.44x = 30,626.06 × 10,548.60
  4. Step 4: Simplify right side
    20,406.44x = 323,062,003.77
  5. Step 5: Solve for x
    x = 323,062,003.77/20,406.44
  6. Step 6: Final answer
    x = 15,831.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.