Home / 19,012.83-28,519.14-5,161.83

Finding the Fourth Proportional to 19,012.83, 28,519.14 and 5,161.83

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Solution

The fourth proportional to 19,012.83, 28,519.14 and 5,161.83 is: 7,742.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,012.83 : 28,519.14 = 5,161.83 : x
  2. Step 2: Convert to fraction form
    19,012.83/28,519.14 = 5,161.83/x
  3. Step 3: Cross multiply
    19,012.83x = 28,519.14 × 5,161.83
  4. Step 4: Simplify right side
    19,012.83x = 147,210,952.43
  5. Step 5: Solve for x
    x = 147,210,952.43/19,012.83
  6. Step 6: Final answer
    x = 7,742.72

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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.