Home / 14,486.04-19,991.82-8,199.36

Finding the Fourth Proportional to 14,486.04, 19,991.82 and 8,199.36

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Solution

The fourth proportional to 14,486.04, 19,991.82 and 8,199.36 is: 11,315.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,486.04 : 19,991.82 = 8,199.36 : x
  2. Step 2: Convert to fraction form
    14,486.04/19,991.82 = 8,199.36/x
  3. Step 3: Cross multiply
    14,486.04x = 19,991.82 × 8,199.36
  4. Step 4: Simplify right side
    14,486.04x = 163,920,129.24
  5. Step 5: Solve for x
    x = 163,920,129.24/14,486.04
  6. Step 6: Final answer
    x = 11,315.73

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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.