Home / 14,039.48-19,371.84-11,382.23

Finding the Fourth Proportional to 14,039.48, 19,371.84 and 11,382.23

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Solution

The fourth proportional to 14,039.48, 19,371.84 and 11,382.23 is: 15,705.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,039.48 : 19,371.84 = 11,382.23 : x
  2. Step 2: Convert to fraction form
    14,039.48/19,371.84 = 11,382.23/x
  3. Step 3: Cross multiply
    14,039.48x = 19,371.84 × 11,382.23
  4. Step 4: Simplify right side
    14,039.48x = 220,494,738.40
  5. Step 5: Solve for x
    x = 220,494,738.40/14,039.48
  6. Step 6: Final answer
    x = 15,705.34

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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.