Home / 13,749.18-20,623.58-3,361.02

Finding the Fourth Proportional to 13,749.18, 20,623.58 and 3,361.02

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Solution

The fourth proportional to 13,749.18, 20,623.58 and 3,361.02 is: 5,041.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,749.18 : 20,623.58 = 3,361.02 : x
  2. Step 2: Convert to fraction form
    13,749.18/20,623.58 = 3,361.02/x
  3. Step 3: Cross multiply
    13,749.18x = 20,623.58 × 3,361.02
  4. Step 4: Simplify right side
    13,749.18x = 69,316,264.85
  5. Step 5: Solve for x
    x = 69,316,264.85/13,749.18
  6. Step 6: Final answer
    x = 5,041.48

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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.