Home / 14,089.44-19,449.68-8,987.12

Finding the Fourth Proportional to 14,089.44, 19,449.68 and 8,987.12

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Solution

The fourth proportional to 14,089.44, 19,449.68 and 8,987.12 is: 12,406.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,089.44 : 19,449.68 = 8,987.12 : x
  2. Step 2: Convert to fraction form
    14,089.44/19,449.68 = 8,987.12/x
  3. Step 3: Cross multiply
    14,089.44x = 19,449.68 × 8,987.12
  4. Step 4: Simplify right side
    14,089.44x = 174,796,608.12
  5. Step 5: Solve for x
    x = 174,796,608.12/14,089.44
  6. Step 6: Final answer
    x = 12,406.21

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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.