Home / 13,824.80-20,724.74-5,053.56

Finding the Fourth Proportional to 13,824.80, 20,724.74 and 5,053.56

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Solution

The fourth proportional to 13,824.80, 20,724.74 and 5,053.56 is: 7,575.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,824.80 : 20,724.74 = 5,053.56 : x
  2. Step 2: Convert to fraction form
    13,824.80/20,724.74 = 5,053.56/x
  3. Step 3: Cross multiply
    13,824.80x = 20,724.74 × 5,053.56
  4. Step 4: Simplify right side
    13,824.80x = 104,733,717.07
  5. Step 5: Solve for x
    x = 104,733,717.07/13,824.80
  6. Step 6: Final answer
    x = 7,575.79

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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.