Home / 9,311.73-13,965.93-2,648.67

Finding the Fourth Proportional to 9,311.73, 13,965.93 and 2,648.67

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Solution

The fourth proportional to 9,311.73, 13,965.93 and 2,648.67 is: 3,972.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,311.73 : 13,965.93 = 2,648.67 : x
  2. Step 2: Convert to fraction form
    9,311.73/13,965.93 = 2,648.67/x
  3. Step 3: Cross multiply
    9,311.73x = 13,965.93 × 2,648.67
  4. Step 4: Simplify right side
    9,311.73x = 36,991,139.81
  5. Step 5: Solve for x
    x = 36,991,139.81/9,311.73
  6. Step 6: Final answer
    x = 3,972.53

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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.