Home / 13,603.10-20,402.24-3,740.00

Finding the Fourth Proportional to 13,603.10, 20,402.24 and 3,740.00

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Solution

The fourth proportional to 13,603.10, 20,402.24 and 3,740.00 is: 5,609.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,603.10 : 20,402.24 = 3,740.00 : x
  2. Step 2: Convert to fraction form
    13,603.10/20,402.24 = 3,740.00/x
  3. Step 3: Cross multiply
    13,603.10x = 20,402.24 × 3,740.00
  4. Step 4: Simplify right side
    13,603.10x = 76,304,256.89
  5. Step 5: Solve for x
    x = 76,304,256.89/13,603.10
  6. Step 6: Final answer
    x = 5,609.33

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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.