Home / 11,154.41-15,394.07-6,119.61

Finding the Fourth Proportional to 11,154.41, 15,394.07 and 6,119.61

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Solution

The fourth proportional to 11,154.41, 15,394.07 and 6,119.61 is: 8,445.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,154.41 : 15,394.07 = 6,119.61 : x
  2. Step 2: Convert to fraction form
    11,154.41/15,394.07 = 6,119.61/x
  3. Step 3: Cross multiply
    11,154.41x = 15,394.07 × 6,119.61
  4. Step 4: Simplify right side
    11,154.41x = 94,205,662.28
  5. Step 5: Solve for x
    x = 94,205,662.28/11,154.41
  6. Step 6: Final answer
    x = 8,445.60

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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.