Home / 19,779.33-27,283.19-12,227.97

Finding the Fourth Proportional to 19,779.33, 27,283.19 and 12,227.97

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Solution

The fourth proportional to 19,779.33, 27,283.19 and 12,227.97 is: 16,867.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,779.33 : 27,283.19 = 12,227.97 : x
  2. Step 2: Convert to fraction form
    19,779.33/27,283.19 = 12,227.97/x
  3. Step 3: Cross multiply
    19,779.33x = 27,283.19 × 12,227.97
  4. Step 4: Simplify right side
    19,779.33x = 333,617,967.68
  5. Step 5: Solve for x
    x = 333,617,967.68/19,779.33
  6. Step 6: Final answer
    x = 16,867.00

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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.