Home / 19,760.51-27,283.77-12,217.19

Finding the Fourth Proportional to 19,760.51, 27,283.77 and 12,217.19

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Solution

The fourth proportional to 19,760.51, 27,283.77 and 12,217.19 is: 16,868.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,760.51 : 27,283.77 = 12,217.19 : x
  2. Step 2: Convert to fraction form
    19,760.51/27,283.77 = 12,217.19/x
  3. Step 3: Cross multiply
    19,760.51x = 27,283.77 × 12,217.19
  4. Step 4: Simplify right side
    19,760.51x = 333,330,865.59
  5. Step 5: Solve for x
    x = 333,330,865.59/19,760.51
  6. Step 6: Final answer
    x = 16,868.53

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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.