Home / 13,053.96-19,581.06-3,694.20

Finding the Fourth Proportional to 13,053.96, 19,581.06 and 3,694.20

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Solution

The fourth proportional to 13,053.96, 19,581.06 and 3,694.20 is: 5,541.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,053.96 : 19,581.06 = 3,694.20 : x
  2. Step 2: Convert to fraction form
    13,053.96/19,581.06 = 3,694.20/x
  3. Step 3: Cross multiply
    13,053.96x = 19,581.06 × 3,694.20
  4. Step 4: Simplify right side
    13,053.96x = 72,336,351.85
  5. Step 5: Solve for x
    x = 72,336,351.85/13,053.96
  6. Step 6: Final answer
    x = 5,541.33

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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.