Home / 22,039.70-30,411.45-13,083.93

Finding the Fourth Proportional to 22,039.70, 30,411.45 and 13,083.93

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Solution

The fourth proportional to 22,039.70, 30,411.45 and 13,083.93 is: 18,053.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,039.70 : 30,411.45 = 13,083.93 : x
  2. Step 2: Convert to fraction form
    22,039.70/30,411.45 = 13,083.93/x
  3. Step 3: Cross multiply
    22,039.70x = 30,411.45 × 13,083.93
  4. Step 4: Simplify right side
    22,039.70x = 397,901,283.00
  5. Step 5: Solve for x
    x = 397,901,283.00/22,039.70
  6. Step 6: Final answer
    x = 18,053.85

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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.