Home / 9,638.88-14,455.32-3,066.72

Finding the Fourth Proportional to 9,638.88, 14,455.32 and 3,066.72

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Solution

The fourth proportional to 9,638.88, 14,455.32 and 3,066.72 is: 4,599.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,638.88 : 14,455.32 = 3,066.72 : x
  2. Step 2: Convert to fraction form
    9,638.88/14,455.32 = 3,066.72/x
  3. Step 3: Cross multiply
    9,638.88x = 14,455.32 × 3,066.72
  4. Step 4: Simplify right side
    9,638.88x = 44,330,418.95
  5. Step 5: Solve for x
    x = 44,330,418.95/9,638.88
  6. Step 6: Final answer
    x = 4,599.13

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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.