Home / 18,172.21-27,258.32-5,692.34

Finding the Fourth Proportional to 18,172.21, 27,258.32 and 5,692.34

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Solution

The fourth proportional to 18,172.21, 27,258.32 and 5,692.34 is: 8,538.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,172.21 : 27,258.32 = 5,692.34 : x
  2. Step 2: Convert to fraction form
    18,172.21/27,258.32 = 5,692.34/x
  3. Step 3: Cross multiply
    18,172.21x = 27,258.32 × 5,692.34
  4. Step 4: Simplify right side
    18,172.21x = 155,163,625.27
  5. Step 5: Solve for x
    x = 155,163,625.27/18,172.21
  6. Step 6: Final answer
    x = 8,538.51

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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.