Home / 19,290.28-26,626.56-11,226.34

Finding the Fourth Proportional to 19,290.28, 26,626.56 and 11,226.34

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Solution

The fourth proportional to 19,290.28, 26,626.56 and 11,226.34 is: 15,495.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,290.28 : 26,626.56 = 11,226.34 : x
  2. Step 2: Convert to fraction form
    19,290.28/26,626.56 = 11,226.34/x
  3. Step 3: Cross multiply
    19,290.28x = 26,626.56 × 11,226.34
  4. Step 4: Simplify right side
    19,290.28x = 298,918,815.59
  5. Step 5: Solve for x
    x = 298,918,815.59/19,290.28
  6. Step 6: Final answer
    x = 15,495.83

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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.