Home / 13,748.67-20,622.83-3,360.51

Finding the Fourth Proportional to 13,748.67, 20,622.83 and 3,360.51

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Solution

The fourth proportional to 13,748.67, 20,622.83 and 3,360.51 is: 5,040.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,748.67 : 20,622.83 = 3,360.51 : x
  2. Step 2: Convert to fraction form
    13,748.67/20,622.83 = 3,360.51/x
  3. Step 3: Cross multiply
    13,748.67x = 20,622.83 × 3,360.51
  4. Step 4: Simplify right side
    13,748.67x = 69,303,209.64
  5. Step 5: Solve for x
    x = 69,303,209.64/13,748.67
  6. Step 6: Final answer
    x = 5,040.72

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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.