Home / 14,303.22-19,738.19-7,929.80

Finding the Fourth Proportional to 14,303.22, 19,738.19 and 7,929.80

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Solution

The fourth proportional to 14,303.22, 19,738.19 and 7,929.80 is: 10,942.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,303.22 : 19,738.19 = 7,929.80 : x
  2. Step 2: Convert to fraction form
    14,303.22/19,738.19 = 7,929.80/x
  3. Step 3: Cross multiply
    14,303.22x = 19,738.19 × 7,929.80
  4. Step 4: Simplify right side
    14,303.22x = 156,519,760.72
  5. Step 5: Solve for x
    x = 156,519,760.72/14,303.22
  6. Step 6: Final answer
    x = 10,942.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.