Home / 11,154.70-15,394.35-8,497.54

Finding the Fourth Proportional to 11,154.70, 15,394.35 and 8,497.54

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Solution

The fourth proportional to 11,154.70, 15,394.35 and 8,497.54 is: 11,727.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,154.70 : 15,394.35 = 8,497.54 : x
  2. Step 2: Convert to fraction form
    11,154.70/15,394.35 = 8,497.54/x
  3. Step 3: Cross multiply
    11,154.70x = 15,394.35 × 8,497.54
  4. Step 4: Simplify right side
    11,154.70x = 130,814,104.90
  5. Step 5: Solve for x
    x = 130,814,104.90/11,154.70
  6. Step 6: Final answer
    x = 11,727.26

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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.