Home / 13,853.91-19,118.84-8,548.59

Finding the Fourth Proportional to 13,853.91, 19,118.84 and 8,548.59

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Solution

The fourth proportional to 13,853.91, 19,118.84 and 8,548.59 is: 11,797.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,853.91 : 19,118.84 = 8,548.59 : x
  2. Step 2: Convert to fraction form
    13,853.91/19,118.84 = 8,548.59/x
  3. Step 3: Cross multiply
    13,853.91x = 19,118.84 × 8,548.59
  4. Step 4: Simplify right side
    13,853.91x = 163,439,081.69
  5. Step 5: Solve for x
    x = 163,439,081.69/13,853.91
  6. Step 6: Final answer
    x = 11,797.33

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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.