Home / 14,039.08-19,370.82-8,451.88

Finding the Fourth Proportional to 14,039.08, 19,370.82 and 8,451.88

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Solution

The fourth proportional to 14,039.08, 19,370.82 and 8,451.88 is: 11,661.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,039.08 : 19,370.82 = 8,451.88 : x
  2. Step 2: Convert to fraction form
    14,039.08/19,370.82 = 8,451.88/x
  3. Step 3: Cross multiply
    14,039.08x = 19,370.82 × 8,451.88
  4. Step 4: Simplify right side
    14,039.08x = 163,719,846.14
  5. Step 5: Solve for x
    x = 163,719,846.14/14,039.08
  6. Step 6: Final answer
    x = 11,661.72

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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.