Home / 13,005.25-19,504.61-3,642.85

Finding the Fourth Proportional to 13,005.25, 19,504.61 and 3,642.85

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Solution

The fourth proportional to 13,005.25, 19,504.61 and 3,642.85 is: 5,463.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,005.25 : 19,504.61 = 3,642.85 : x
  2. Step 2: Convert to fraction form
    13,005.25/19,504.61 = 3,642.85/x
  3. Step 3: Cross multiply
    13,005.25x = 19,504.61 × 3,642.85
  4. Step 4: Simplify right side
    13,005.25x = 71,052,271.02
  5. Step 5: Solve for x
    x = 71,052,271.02/13,005.25
  6. Step 6: Final answer
    x = 5,463.35

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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.