Home / 9,986.44-13,777.09-6,631.07

Finding the Fourth Proportional to 9,986.44, 13,777.09 and 6,631.07

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Solution

The fourth proportional to 9,986.44, 13,777.09 and 6,631.07 is: 9,148.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,986.44 : 13,777.09 = 6,631.07 : x
  2. Step 2: Convert to fraction form
    9,986.44/13,777.09 = 6,631.07/x
  3. Step 3: Cross multiply
    9,986.44x = 13,777.09 × 6,631.07
  4. Step 4: Simplify right side
    9,986.44x = 91,356,762.72
  5. Step 5: Solve for x
    x = 91,356,762.72/9,986.44
  6. Step 6: Final answer
    x = 9,148.08

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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.