Home / 9,909.05-14,855.73-4,907.88

Finding the Fourth Proportional to 9,909.05, 14,855.73 and 4,907.88

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Solution

The fourth proportional to 9,909.05, 14,855.73 and 4,907.88 is: 7,357.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,909.05 : 14,855.73 = 4,907.88 : x
  2. Step 2: Convert to fraction form
    9,909.05/14,855.73 = 4,907.88/x
  3. Step 3: Cross multiply
    9,909.05x = 14,855.73 × 4,907.88
  4. Step 4: Simplify right side
    9,909.05x = 72,910,114.66
  5. Step 5: Solve for x
    x = 72,910,114.66/9,909.05
  6. Step 6: Final answer
    x = 7,357.93

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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.