Home / 11,054.70-15,243.80-8,537.22

Finding the Fourth Proportional to 11,054.70, 15,243.80 and 8,537.22

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Solution

The fourth proportional to 11,054.70, 15,243.80 and 8,537.22 is: 11,772.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,054.70 : 15,243.80 = 8,537.22 : x
  2. Step 2: Convert to fraction form
    11,054.70/15,243.80 = 8,537.22/x
  3. Step 3: Cross multiply
    11,054.70x = 15,243.80 × 8,537.22
  4. Step 4: Simplify right side
    11,054.70x = 130,139,631.55
  5. Step 5: Solve for x
    x = 130,139,631.55/11,054.70
  6. Step 6: Final answer
    x = 11,772.33

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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.