Home / 11,076.21-15,304.59-8,856.39

Finding the Fourth Proportional to 11,076.21, 15,304.59 and 8,856.39

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Solution

The fourth proportional to 11,076.21, 15,304.59 and 8,856.39 is: 12,237.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,076.21 : 15,304.59 = 8,856.39 : x
  2. Step 2: Convert to fraction form
    11,076.21/15,304.59 = 8,856.39/x
  3. Step 3: Cross multiply
    11,076.21x = 15,304.59 × 8,856.39
  4. Step 4: Simplify right side
    11,076.21x = 135,543,417.83
  5. Step 5: Solve for x
    x = 135,543,417.83/11,076.21
  6. Step 6: Final answer
    x = 12,237.35

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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.