Home / 9,138.18-13,708.08-3,294.03

Finding the Fourth Proportional to 9,138.18, 13,708.08 and 3,294.03

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Solution

The fourth proportional to 9,138.18, 13,708.08 and 3,294.03 is: 4,941.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,138.18 : 13,708.08 = 3,294.03 : x
  2. Step 2: Convert to fraction form
    9,138.18/13,708.08 = 3,294.03/x
  3. Step 3: Cross multiply
    9,138.18x = 13,708.08 × 3,294.03
  4. Step 4: Simplify right side
    9,138.18x = 45,154,826.76
  5. Step 5: Solve for x
    x = 45,154,826.76/9,138.18
  6. Step 6: Final answer
    x = 4,941.34

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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.