Home / 13,821.92-20,727.84-5,054.24

Finding the Fourth Proportional to 13,821.92, 20,727.84 and 5,054.24

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Solution

The fourth proportional to 13,821.92, 20,727.84 and 5,054.24 is: 7,579.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,821.92 : 20,727.84 = 5,054.24 : x
  2. Step 2: Convert to fraction form
    13,821.92/20,727.84 = 5,054.24/x
  3. Step 3: Cross multiply
    13,821.92x = 20,727.84 × 5,054.24
  4. Step 4: Simplify right side
    13,821.92x = 104,763,478.04
  5. Step 5: Solve for x
    x = 104,763,478.04/13,821.92
  6. Step 6: Final answer
    x = 7,579.52

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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.