Home / 9,909-14,868.36-4,070.52

Finding the Fourth Proportional to 9,909, 14,868.36 and 4,070.52

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Solution

The fourth proportional to 9,909, 14,868.36 and 4,070.52 is: 6,107.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,909 : 14,868.36 = 4,070.52 : x
  2. Step 2: Convert to fraction form
    9,909/14,868.36 = 4,070.52/x
  3. Step 3: Cross multiply
    9,909x = 14,868.36 × 4,070.52
  4. Step 4: Simplify right side
    9,909x = 60,521,956.75
  5. Step 5: Solve for x
    x = 60,521,956.75/9,909
  6. Step 6: Final answer
    x = 6,107.78

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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.