Home / 11,280.57-16,920.45-2,960.52

Finding the Fourth Proportional to 11,280.57, 16,920.45 and 2,960.52

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Solution

The fourth proportional to 11,280.57, 16,920.45 and 2,960.52 is: 4,440.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,280.57 : 16,920.45 = 2,960.52 : x
  2. Step 2: Convert to fraction form
    11,280.57/16,920.45 = 2,960.52/x
  3. Step 3: Cross multiply
    11,280.57x = 16,920.45 × 2,960.52
  4. Step 4: Simplify right side
    11,280.57x = 50,093,330.63
  5. Step 5: Solve for x
    x = 50,093,330.63/11,280.57
  6. Step 6: Final answer
    x = 4,440.67

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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.