Home / 13,013.15-19,518.24-3,653.93

Finding the Fourth Proportional to 13,013.15, 19,518.24 and 3,653.93

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Solution

The fourth proportional to 13,013.15, 19,518.24 and 3,653.93 is: 5,480.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,013.15 : 19,518.24 = 3,653.93 : x
  2. Step 2: Convert to fraction form
    13,013.15/19,518.24 = 3,653.93/x
  3. Step 3: Cross multiply
    13,013.15x = 19,518.24 × 3,653.93
  4. Step 4: Simplify right side
    13,013.15x = 71,318,185.09
  5. Step 5: Solve for x
    x = 71,318,185.09/13,013.15
  6. Step 6: Final answer
    x = 5,480.47

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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.