Home / 11,280.91-16,928.88-5,038.85

Finding the Fourth Proportional to 11,280.91, 16,928.88 and 5,038.85

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Solution

The fourth proportional to 11,280.91, 16,928.88 and 5,038.85 is: 7,561.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,280.91 : 16,928.88 = 5,038.85 : x
  2. Step 2: Convert to fraction form
    11,280.91/16,928.88 = 5,038.85/x
  3. Step 3: Cross multiply
    11,280.91x = 16,928.88 × 5,038.85
  4. Step 4: Simplify right side
    11,280.91x = 85,302,086.99
  5. Step 5: Solve for x
    x = 85,302,086.99/11,280.91
  6. Step 6: Final answer
    x = 7,561.63

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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.