Home / 11,328.99-16,966.14-6,813.06

Finding the Fourth Proportional to 11,328.99, 16,966.14 and 6,813.06

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Solution

The fourth proportional to 11,328.99, 16,966.14 and 6,813.06 is: 10,203.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,328.99 : 16,966.14 = 6,813.06 : x
  2. Step 2: Convert to fraction form
    11,328.99/16,966.14 = 6,813.06/x
  3. Step 3: Cross multiply
    11,328.99x = 16,966.14 × 6,813.06
  4. Step 4: Simplify right side
    11,328.99x = 115,591,240.62
  5. Step 5: Solve for x
    x = 115,591,240.62/11,328.99
  6. Step 6: Final answer
    x = 10,203.14

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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.