Home / 19,091.32-26,346.22-11,138.36

Finding the Fourth Proportional to 19,091.32, 26,346.22 and 11,138.36

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Solution

The fourth proportional to 19,091.32, 26,346.22 and 11,138.36 is: 15,371.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,091.32 : 26,346.22 = 11,138.36 : x
  2. Step 2: Convert to fraction form
    19,091.32/26,346.22 = 11,138.36/x
  3. Step 3: Cross multiply
    19,091.32x = 26,346.22 × 11,138.36
  4. Step 4: Simplify right side
    19,091.32x = 293,453,683.00
  5. Step 5: Solve for x
    x = 293,453,683.00/19,091.32
  6. Step 6: Final answer
    x = 15,371.05

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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.