Home / 19,375.40-26,734.66-11,419.24

Finding the Fourth Proportional to 19,375.40, 26,734.66 and 11,419.24

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Solution

The fourth proportional to 19,375.40, 26,734.66 and 11,419.24 is: 15,756.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,375.40 : 26,734.66 = 11,419.24 : x
  2. Step 2: Convert to fraction form
    19,375.40/26,734.66 = 11,419.24/x
  3. Step 3: Cross multiply
    19,375.40x = 26,734.66 × 11,419.24
  4. Step 4: Simplify right side
    19,375.40x = 305,289,498.86
  5. Step 5: Solve for x
    x = 305,289,498.86/19,375.40
  6. Step 6: Final answer
    x = 15,756.55

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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.