Home / 9,919.85-13,690.00-6,556.83

Finding the Fourth Proportional to 9,919.85, 13,690.00 and 6,556.83

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Solution

The fourth proportional to 9,919.85, 13,690.00 and 6,556.83 is: 9,048.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,919.85 : 13,690.00 = 6,556.83 : x
  2. Step 2: Convert to fraction form
    9,919.85/13,690.00 = 6,556.83/x
  3. Step 3: Cross multiply
    9,919.85x = 13,690.00 × 6,556.83
  4. Step 4: Simplify right side
    9,919.85x = 89,762,999.68
  5. Step 5: Solve for x
    x = 89,762,999.68/9,919.85
  6. Step 6: Final answer
    x = 9,048.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.