Home / 19,412.13-26,788.73-11,028.63

Finding the Fourth Proportional to 19,412.13, 26,788.73 and 11,028.63

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Solution

The fourth proportional to 19,412.13, 26,788.73 and 11,028.63 is: 15,219.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,412.13 : 26,788.73 = 11,028.63 : x
  2. Step 2: Convert to fraction form
    19,412.13/26,788.73 = 11,028.63/x
  3. Step 3: Cross multiply
    19,412.13x = 26,788.73 × 11,028.63
  4. Step 4: Simplify right side
    19,412.13x = 295,442,991.34
  5. Step 5: Solve for x
    x = 295,442,991.34/19,412.13
  6. Step 6: Final answer
    x = 15,219.50

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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.