Home / 14,343.08-19,784.82-8,673.80

Finding the Fourth Proportional to 14,343.08, 19,784.82 and 8,673.80

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Solution

The fourth proportional to 14,343.08, 19,784.82 and 8,673.80 is: 11,964.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,343.08 : 19,784.82 = 8,673.80 : x
  2. Step 2: Convert to fraction form
    14,343.08/19,784.82 = 8,673.80/x
  3. Step 3: Cross multiply
    14,343.08x = 19,784.82 × 8,673.80
  4. Step 4: Simplify right side
    14,343.08x = 171,609,571.72
  5. Step 5: Solve for x
    x = 171,609,571.72/14,343.08
  6. Step 6: Final answer
    x = 11,964.62

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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.