Home / 20,477.37-30,716.03-5,686.28

Finding the Fourth Proportional to 20,477.37, 30,716.03 and 5,686.28

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Solution

The fourth proportional to 20,477.37, 30,716.03 and 5,686.28 is: 8,529.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,477.37 : 30,716.03 = 5,686.28 : x
  2. Step 2: Convert to fraction form
    20,477.37/30,716.03 = 5,686.28/x
  3. Step 3: Cross multiply
    20,477.37x = 30,716.03 × 5,686.28
  4. Step 4: Simplify right side
    20,477.37x = 174,659,765.06
  5. Step 5: Solve for x
    x = 174,659,765.06/20,477.37
  6. Step 6: Final answer
    x = 8,529.41

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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.