Home / 19,771.01-27,283.17-11,817.62

Finding the Fourth Proportional to 19,771.01, 27,283.17 and 11,817.62

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Solution

The fourth proportional to 19,771.01, 27,283.17 and 11,817.62 is: 16,307.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,771.01 : 27,283.17 = 11,817.62 : x
  2. Step 2: Convert to fraction form
    19,771.01/27,283.17 = 11,817.62/x
  3. Step 3: Cross multiply
    19,771.01x = 27,283.17 × 11,817.62
  4. Step 4: Simplify right side
    19,771.01x = 322,422,043.36
  5. Step 5: Solve for x
    x = 322,422,043.36/19,771.01
  6. Step 6: Final answer
    x = 16,307.82

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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.