Home / 9,911.90-14,868.78-3,588.36

Finding the Fourth Proportional to 9,911.90, 14,868.78 and 3,588.36

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Solution

The fourth proportional to 9,911.90, 14,868.78 and 3,588.36 is: 5,382.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,911.90 : 14,868.78 = 3,588.36 : x
  2. Step 2: Convert to fraction form
    9,911.90/14,868.78 = 3,588.36/x
  3. Step 3: Cross multiply
    9,911.90x = 14,868.78 × 3,588.36
  4. Step 4: Simplify right side
    9,911.90x = 53,354,535.40
  5. Step 5: Solve for x
    x = 53,354,535.40/9,911.90
  6. Step 6: Final answer
    x = 5,382.88

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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.