Home / 9,991.23-14,993.53-4,147.84

Finding the Fourth Proportional to 9,991.23, 14,993.53 and 4,147.84

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Solution

The fourth proportional to 9,991.23, 14,993.53 and 4,147.84 is: 6,224.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,991.23 : 14,993.53 = 4,147.84 : x
  2. Step 2: Convert to fraction form
    9,991.23/14,993.53 = 4,147.84/x
  3. Step 3: Cross multiply
    9,991.23x = 14,993.53 × 4,147.84
  4. Step 4: Simplify right side
    9,991.23x = 62,190,763.48
  5. Step 5: Solve for x
    x = 62,190,763.48/9,991.23
  6. Step 6: Final answer
    x = 6,224.54

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1.5x scale

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.