Home / 11,026.72-15,211.04-6,986.42

Finding the Fourth Proportional to 11,026.72, 15,211.04 and 6,986.42

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Solution

The fourth proportional to 11,026.72, 15,211.04 and 6,986.42 is: 9,637.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,026.72 : 15,211.04 = 6,986.42 : x
  2. Step 2: Convert to fraction form
    11,026.72/15,211.04 = 6,986.42/x
  3. Step 3: Cross multiply
    11,026.72x = 15,211.04 × 6,986.42
  4. Step 4: Simplify right side
    11,026.72x = 106,270,655.49
  5. Step 5: Solve for x
    x = 106,270,655.49/11,026.72
  6. Step 6: Final answer
    x = 9,637.56

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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.