Home / 19,926.45-27,498.56-11,968.80

Finding the Fourth Proportional to 19,926.45, 27,498.56 and 11,968.80

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Solution

The fourth proportional to 19,926.45, 27,498.56 and 11,968.80 is: 16,516.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,926.45 : 27,498.56 = 11,968.80 : x
  2. Step 2: Convert to fraction form
    19,926.45/27,498.56 = 11,968.80/x
  3. Step 3: Cross multiply
    19,926.45x = 27,498.56 × 11,968.80
  4. Step 4: Simplify right side
    19,926.45x = 329,124,705.08
  5. Step 5: Solve for x
    x = 329,124,705.08/19,926.45
  6. Step 6: Final answer
    x = 16,516.98

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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.