Home / 22,408.75-30,911.25-14,010.67

Finding the Fourth Proportional to 22,408.75, 30,911.25 and 14,010.67

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Solution

The fourth proportional to 22,408.75, 30,911.25 and 14,010.67 is: 19,326.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,408.75 : 30,911.25 = 14,010.67 : x
  2. Step 2: Convert to fraction form
    22,408.75/30,911.25 = 14,010.67/x
  3. Step 3: Cross multiply
    22,408.75x = 30,911.25 × 14,010.67
  4. Step 4: Simplify right side
    22,408.75x = 433,087,245.76
  5. Step 5: Solve for x
    x = 433,087,245.76/22,408.75
  6. Step 6: Final answer
    x = 19,326.70

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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.