Home / 13,019.08-19,526.54-3,782.92

Finding the Fourth Proportional to 13,019.08, 19,526.54 and 3,782.92

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Solution

The fourth proportional to 13,019.08, 19,526.54 and 3,782.92 is: 5,673.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,019.08 : 19,526.54 = 3,782.92 : x
  2. Step 2: Convert to fraction form
    13,019.08/19,526.54 = 3,782.92/x
  3. Step 3: Cross multiply
    13,019.08x = 19,526.54 × 3,782.92
  4. Step 4: Simplify right side
    13,019.08x = 73,867,338.70
  5. Step 5: Solve for x
    x = 73,867,338.70/13,019.08
  6. Step 6: Final answer
    x = 5,673.78

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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.