Home / 14,054.01-19,396.58-8,389

Finding the Fourth Proportional to 14,054.01, 19,396.58 and 8,389

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Solution

The fourth proportional to 14,054.01, 19,396.58 and 8,389 is: 11,578.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,054.01 : 19,396.58 = 8,389 : x
  2. Step 2: Convert to fraction form
    14,054.01/19,396.58 = 8,389/x
  3. Step 3: Cross multiply
    14,054.01x = 19,396.58 × 8,389
  4. Step 4: Simplify right side
    14,054.01x = 162,717,909.62
  5. Step 5: Solve for x
    x = 162,717,909.62/14,054.01
  6. Step 6: Final answer
    x = 11,578.04

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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.