Home / 9,986.03-13,777.50-6,629.49

Finding the Fourth Proportional to 9,986.03, 13,777.50 and 6,629.49

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Solution

The fourth proportional to 9,986.03, 13,777.50 and 6,629.49 is: 9,146.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,986.03 : 13,777.50 = 6,629.49 : x
  2. Step 2: Convert to fraction form
    9,986.03/13,777.50 = 6,629.49/x
  3. Step 3: Cross multiply
    9,986.03x = 13,777.50 × 6,629.49
  4. Step 4: Simplify right side
    9,986.03x = 91,337,798.48
  5. Step 5: Solve for x
    x = 91,337,798.48/9,986.03
  6. Step 6: Final answer
    x = 9,146.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.