Home / 9,945.80-14,927.10-4,106.60

Finding the Fourth Proportional to 9,945.80, 14,927.10 and 4,106.60

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Solution

The fourth proportional to 9,945.80, 14,927.10 and 4,106.60 is: 6,163.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,945.80 : 14,927.10 = 4,106.60 : x
  2. Step 2: Convert to fraction form
    9,945.80/14,927.10 = 4,106.60/x
  3. Step 3: Cross multiply
    9,945.80x = 14,927.10 × 4,106.60
  4. Step 4: Simplify right side
    9,945.80x = 61,299,628.86
  5. Step 5: Solve for x
    x = 61,299,628.86/9,945.80
  6. Step 6: Final answer
    x = 6,163.37

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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.