Home / 11,013.10-16,519.68-7,740.83

Finding the Fourth Proportional to 11,013.10, 16,519.68 and 7,740.83

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Solution

The fourth proportional to 11,013.10, 16,519.68 and 7,740.83 is: 11,611.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,013.10 : 16,519.68 = 7,740.83 : x
  2. Step 2: Convert to fraction form
    11,013.10/16,519.68 = 7,740.83/x
  3. Step 3: Cross multiply
    11,013.10x = 16,519.68 × 7,740.83
  4. Step 4: Simplify right side
    11,013.10x = 127,876,075.83
  5. Step 5: Solve for x
    x = 127,876,075.83/11,013.10
  6. Step 6: Final answer
    x = 11,611.27

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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.