Home / 14,192.88-21,267.42-8,987.82

Finding the Fourth Proportional to 14,192.88, 21,267.42 and 8,987.82

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Solution

The fourth proportional to 14,192.88, 21,267.42 and 8,987.82 is: 13,467.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,192.88 : 21,267.42 = 8,987.82 : x
  2. Step 2: Convert to fraction form
    14,192.88/21,267.42 = 8,987.82/x
  3. Step 3: Cross multiply
    14,192.88x = 21,267.42 × 8,987.82
  4. Step 4: Simplify right side
    14,192.88x = 191,147,742.82
  5. Step 5: Solve for x
    x = 191,147,742.82/14,192.88
  6. Step 6: Final answer
    x = 13,467.86

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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.