Home / 16,119.81-22,238.99-9,309.33

Finding the Fourth Proportional to 16,119.81, 22,238.99 and 9,309.33

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Solution

The fourth proportional to 16,119.81, 22,238.99 and 9,309.33 is: 12,843.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,119.81 : 22,238.99 = 9,309.33 : x
  2. Step 2: Convert to fraction form
    16,119.81/22,238.99 = 9,309.33/x
  3. Step 3: Cross multiply
    16,119.81x = 22,238.99 × 9,309.33
  4. Step 4: Simplify right side
    16,119.81x = 207,030,050.23
  5. Step 5: Solve for x
    x = 207,030,050.23/16,119.81
  6. Step 6: Final answer
    x = 12,843.21

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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.