Home / 19,412.25-26,788.91-11,030.37

Finding the Fourth Proportional to 19,412.25, 26,788.91 and 11,030.37

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Solution

The fourth proportional to 19,412.25, 26,788.91 and 11,030.37 is: 15,221.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,412.25 : 26,788.91 = 11,030.37 : x
  2. Step 2: Convert to fraction form
    19,412.25/26,788.91 = 11,030.37/x
  3. Step 3: Cross multiply
    19,412.25x = 26,788.91 × 11,030.37
  4. Step 4: Simplify right side
    19,412.25x = 295,491,534.04
  5. Step 5: Solve for x
    x = 295,491,534.04/19,412.25
  6. Step 6: Final answer
    x = 15,221.91

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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.