Home / 19,113.44-28,668.74-8,019.68

Finding the Fourth Proportional to 19,113.44, 28,668.74 and 8,019.68

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Solution

The fourth proportional to 19,113.44, 28,668.74 and 8,019.68 is: 12,028.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,113.44 : 28,668.74 = 8,019.68 : x
  2. Step 2: Convert to fraction form
    19,113.44/28,668.74 = 8,019.68/x
  3. Step 3: Cross multiply
    19,113.44x = 28,668.74 × 8,019.68
  4. Step 4: Simplify right side
    19,113.44x = 229,913,937.36
  5. Step 5: Solve for x
    x = 229,913,937.36/19,113.44
  6. Step 6: Final answer
    x = 12,028.92

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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.