Home / 10,986.56-15,160.80-6,206.36

Finding the Fourth Proportional to 10,986.56, 15,160.80 and 6,206.36

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Solution

The fourth proportional to 10,986.56, 15,160.80 and 6,206.36 is: 8,564.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,986.56 : 15,160.80 = 6,206.36 : x
  2. Step 2: Convert to fraction form
    10,986.56/15,160.80 = 6,206.36/x
  3. Step 3: Cross multiply
    10,986.56x = 15,160.80 × 6,206.36
  4. Step 4: Simplify right side
    10,986.56x = 94,093,382.69
  5. Step 5: Solve for x
    x = 94,093,382.69/10,986.56
  6. Step 6: Final answer
    x = 8,564.41

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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.