Home / 19,401.75-26,774.42-11,019.87

Finding the Fourth Proportional to 19,401.75, 26,774.42 and 11,019.87

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Solution

The fourth proportional to 19,401.75, 26,774.42 and 11,019.87 is: 15,207.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,401.75 : 26,774.42 = 11,019.87 : x
  2. Step 2: Convert to fraction form
    19,401.75/26,774.42 = 11,019.87/x
  3. Step 3: Cross multiply
    19,401.75x = 26,774.42 × 11,019.87
  4. Step 4: Simplify right side
    19,401.75x = 295,050,572.63
  5. Step 5: Solve for x
    x = 295,050,572.63/19,401.75
  6. Step 6: Final answer
    x = 15,207.42

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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.