Home / 11,290.39-16,932.85-5,364.64

Finding the Fourth Proportional to 11,290.39, 16,932.85 and 5,364.64

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Solution

The fourth proportional to 11,290.39, 16,932.85 and 5,364.64 is: 8,045.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,290.39 : 16,932.85 = 5,364.64 : x
  2. Step 2: Convert to fraction form
    11,290.39/16,932.85 = 5,364.64/x
  3. Step 3: Cross multiply
    11,290.39x = 16,932.85 × 5,364.64
  4. Step 4: Simplify right side
    11,290.39x = 90,838,675.99
  5. Step 5: Solve for x
    x = 90,838,675.99/11,290.39
  6. Step 6: Final answer
    x = 8,045.67

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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.