Home / 11,133.95-16,699.37-2,813.45

Finding the Fourth Proportional to 11,133.95, 16,699.37 and 2,813.45

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Solution

The fourth proportional to 11,133.95, 16,699.37 and 2,813.45 is: 4,219.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,133.95 : 16,699.37 = 2,813.45 : x
  2. Step 2: Convert to fraction form
    11,133.95/16,699.37 = 2,813.45/x
  3. Step 3: Cross multiply
    11,133.95x = 16,699.37 × 2,813.45
  4. Step 4: Simplify right side
    11,133.95x = 46,982,744.96
  5. Step 5: Solve for x
    x = 46,982,744.96/11,133.95
  6. Step 6: Final answer
    x = 4,219.78

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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.