Home / 19,260.21-26,578.20-11,309.25

Finding the Fourth Proportional to 19,260.21, 26,578.20 and 11,309.25

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Solution

The fourth proportional to 19,260.21, 26,578.20 and 11,309.25 is: 15,606.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,260.21 : 26,578.20 = 11,309.25 : x
  2. Step 2: Convert to fraction form
    19,260.21/26,578.20 = 11,309.25/x
  3. Step 3: Cross multiply
    19,260.21x = 26,578.20 × 11,309.25
  4. Step 4: Simplify right side
    19,260.21x = 300,579,508.35
  5. Step 5: Solve for x
    x = 300,579,508.35/19,260.21
  6. Step 6: Final answer
    x = 15,606.24

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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.