Home / 10,604.50-15,906.81-4,759.67

Finding the Fourth Proportional to 10,604.50, 15,906.81 and 4,759.67

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Solution

The fourth proportional to 10,604.50, 15,906.81 and 4,759.67 is: 7,139.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,604.50 : 15,906.81 = 4,759.67 : x
  2. Step 2: Convert to fraction form
    10,604.50/15,906.81 = 4,759.67/x
  3. Step 3: Cross multiply
    10,604.50x = 15,906.81 × 4,759.67
  4. Step 4: Simplify right side
    10,604.50x = 75,711,166.35
  5. Step 5: Solve for x
    x = 75,711,166.35/10,604.50
  6. Step 6: Final answer
    x = 7,139.53

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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.