Home / 9,919.16-13,682.20-6,933.90

Finding the Fourth Proportional to 9,919.16, 13,682.20 and 6,933.90

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Solution

The fourth proportional to 9,919.16, 13,682.20 and 6,933.90 is: 9,564.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,919.16 : 13,682.20 = 6,933.90 : x
  2. Step 2: Convert to fraction form
    9,919.16/13,682.20 = 6,933.90/x
  3. Step 3: Cross multiply
    9,919.16x = 13,682.20 × 6,933.90
  4. Step 4: Simplify right side
    9,919.16x = 94,870,971.91
  5. Step 5: Solve for x
    x = 94,870,971.91/9,919.16
  6. Step 6: Final answer
    x = 9,564.42

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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.