Home / 13,013.65-19,530.20-8,843.77

Finding the Fourth Proportional to 13,013.65, 19,530.20 and 8,843.77

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Solution

The fourth proportional to 13,013.65, 19,530.20 and 8,843.77 is: 13,272.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,013.65 : 19,530.20 = 8,843.77 : x
  2. Step 2: Convert to fraction form
    13,013.65/19,530.20 = 8,843.77/x
  3. Step 3: Cross multiply
    13,013.65x = 19,530.20 × 8,843.77
  4. Step 4: Simplify right side
    13,013.65x = 172,720,596.85
  5. Step 5: Solve for x
    x = 172,720,596.85/13,013.65
  6. Step 6: Final answer
    x = 13,272.26

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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.