Home / 12,627.44-18,953.91-11,386.31

Finding the Fourth Proportional to 12,627.44, 18,953.91 and 11,386.31

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Solution

The fourth proportional to 12,627.44, 18,953.91 and 11,386.31 is: 17,090.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,627.44 : 18,953.91 = 11,386.31 : x
  2. Step 2: Convert to fraction form
    12,627.44/18,953.91 = 11,386.31/x
  3. Step 3: Cross multiply
    12,627.44x = 18,953.91 × 11,386.31
  4. Step 4: Simplify right side
    12,627.44x = 215,815,142.36
  5. Step 5: Solve for x
    x = 215,815,142.36/12,627.44
  6. Step 6: Final answer
    x = 17,090.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.