Home / 9,986.80-13,786.72-6,010.96

Finding the Fourth Proportional to 9,986.80, 13,786.72 and 6,010.96

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Solution

The fourth proportional to 9,986.80, 13,786.72 and 6,010.96 is: 8,298.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,986.80 : 13,786.72 = 6,010.96 : x
  2. Step 2: Convert to fraction form
    9,986.80/13,786.72 = 6,010.96/x
  3. Step 3: Cross multiply
    9,986.80x = 13,786.72 × 6,010.96
  4. Step 4: Simplify right side
    9,986.80x = 82,871,422.45
  5. Step 5: Solve for x
    x = 82,871,422.45/9,986.80
  6. Step 6: Final answer
    x = 8,298.10

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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.