Home / 13,323.74-19,998.78-7,083.77

Finding the Fourth Proportional to 13,323.74, 19,998.78 and 7,083.77

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Solution

The fourth proportional to 13,323.74, 19,998.78 and 7,083.77 is: 10,632.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,323.74 : 19,998.78 = 7,083.77 : x
  2. Step 2: Convert to fraction form
    13,323.74/19,998.78 = 7,083.77/x
  3. Step 3: Cross multiply
    13,323.74x = 19,998.78 × 7,083.77
  4. Step 4: Simplify right side
    13,323.74x = 141,666,757.80
  5. Step 5: Solve for x
    x = 141,666,757.80/13,323.74
  6. Step 6: Final answer
    x = 10,632.66

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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.