Home / 19,375.32-26,738.82-11,417.88

Finding the Fourth Proportional to 19,375.32, 26,738.82 and 11,417.88

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Solution

The fourth proportional to 19,375.32, 26,738.82 and 11,417.88 is: 15,757.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,375.32 : 26,738.82 = 11,417.88 : x
  2. Step 2: Convert to fraction form
    19,375.32/26,738.82 = 11,417.88/x
  3. Step 3: Cross multiply
    19,375.32x = 26,738.82 × 11,417.88
  4. Step 4: Simplify right side
    19,375.32x = 305,300,638.10
  5. Step 5: Solve for x
    x = 305,300,638.10/19,375.32
  6. Step 6: Final answer
    x = 15,757.19

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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.