Home / 9,905.94-14,866.40-3,669.75

Finding the Fourth Proportional to 9,905.94, 14,866.40 and 3,669.75

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Solution

The fourth proportional to 9,905.94, 14,866.40 and 3,669.75 is: 5,507.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,905.94 : 14,866.40 = 3,669.75 : x
  2. Step 2: Convert to fraction form
    9,905.94/14,866.40 = 3,669.75/x
  3. Step 3: Cross multiply
    9,905.94x = 14,866.40 × 3,669.75
  4. Step 4: Simplify right side
    9,905.94x = 54,555,971.40
  5. Step 5: Solve for x
    x = 54,555,971.40/9,905.94
  6. Step 6: Final answer
    x = 5,507.40

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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.