Home / 11,867.99-16,378.16-6,563.14

Finding the Fourth Proportional to 11,867.99, 16,378.16 and 6,563.14

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Solution

The fourth proportional to 11,867.99, 16,378.16 and 6,563.14 is: 9,057.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,867.99 : 16,378.16 = 6,563.14 : x
  2. Step 2: Convert to fraction form
    11,867.99/16,378.16 = 6,563.14/x
  3. Step 3: Cross multiply
    11,867.99x = 16,378.16 × 6,563.14
  4. Step 4: Simplify right side
    11,867.99x = 107,492,083.26
  5. Step 5: Solve for x
    x = 107,492,083.26/11,867.99
  6. Step 6: Final answer
    x = 9,057.32

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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.