Home / 9,939.90-14,911.67-4,093.32

Finding the Fourth Proportional to 9,939.90, 14,911.67 and 4,093.32

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Solution

The fourth proportional to 9,939.90, 14,911.67 and 4,093.32 is: 6,140.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,939.90 : 14,911.67 = 4,093.32 : x
  2. Step 2: Convert to fraction form
    9,939.90/14,911.67 = 4,093.32/x
  3. Step 3: Cross multiply
    9,939.90x = 14,911.67 × 4,093.32
  4. Step 4: Simplify right side
    9,939.90x = 61,038,237.04
  5. Step 5: Solve for x
    x = 61,038,237.04/9,939.90
  6. Step 6: Final answer
    x = 6,140.73

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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.