Home / 19,412.73-26,789.40-11,029.23

Finding the Fourth Proportional to 19,412.73, 26,789.40 and 11,029.23

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Solution

The fourth proportional to 19,412.73, 26,789.40 and 11,029.23 is: 15,220.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,412.73 : 26,789.40 = 11,029.23 : x
  2. Step 2: Convert to fraction form
    19,412.73/26,789.40 = 11,029.23/x
  3. Step 3: Cross multiply
    19,412.73x = 26,789.40 × 11,029.23
  4. Step 4: Simplify right side
    19,412.73x = 295,466,454.16
  5. Step 5: Solve for x
    x = 295,466,454.16/19,412.73
  6. Step 6: Final answer
    x = 15,220.24

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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.