Home / 22,945.21-34,430.35-8,905.79

Finding the Fourth Proportional to 22,945.21, 34,430.35 and 8,905.79

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Solution

The fourth proportional to 22,945.21, 34,430.35 and 8,905.79 is: 13,363.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,945.21 : 34,430.35 = 8,905.79 : x
  2. Step 2: Convert to fraction form
    22,945.21/34,430.35 = 8,905.79/x
  3. Step 3: Cross multiply
    22,945.21x = 34,430.35 × 8,905.79
  4. Step 4: Simplify right side
    22,945.21x = 306,629,466.73
  5. Step 5: Solve for x
    x = 306,629,466.73/22,945.21
  6. Step 6: Final answer
    x = 13,363.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.