Home / 11,584.72-15,986.82-6,871.24

Finding the Fourth Proportional to 11,584.72, 15,986.82 and 6,871.24

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Solution

The fourth proportional to 11,584.72, 15,986.82 and 6,871.24 is: 9,482.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,584.72 : 15,986.82 = 6,871.24 : x
  2. Step 2: Convert to fraction form
    11,584.72/15,986.82 = 6,871.24/x
  3. Step 3: Cross multiply
    11,584.72x = 15,986.82 × 6,871.24
  4. Step 4: Simplify right side
    11,584.72x = 109,849,277.06
  5. Step 5: Solve for x
    x = 109,849,277.06/11,584.72
  6. Step 6: Final answer
    x = 9,482.26

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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.