Home / 9,909.07-14,858.73-4,905.65

Finding the Fourth Proportional to 9,909.07, 14,858.73 and 4,905.65

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Solution

The fourth proportional to 9,909.07, 14,858.73 and 4,905.65 is: 7,356.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,909.07 : 14,858.73 = 4,905.65 : x
  2. Step 2: Convert to fraction form
    9,909.07/14,858.73 = 4,905.65/x
  3. Step 3: Cross multiply
    9,909.07x = 14,858.73 × 4,905.65
  4. Step 4: Simplify right side
    9,909.07x = 72,891,765.97
  5. Step 5: Solve for x
    x = 72,891,765.97/9,909.07
  6. Step 6: Final answer
    x = 7,356.07

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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.