Home / 19,469.70-26,862.84-11,290.32

Finding the Fourth Proportional to 19,469.70, 26,862.84 and 11,290.32

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Solution

The fourth proportional to 19,469.70, 26,862.84 and 11,290.32 is: 15,577.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,469.70 : 26,862.84 = 11,290.32 : x
  2. Step 2: Convert to fraction form
    19,469.70/26,862.84 = 11,290.32/x
  3. Step 3: Cross multiply
    19,469.70x = 26,862.84 × 11,290.32
  4. Step 4: Simplify right side
    19,469.70x = 303,290,059.71
  5. Step 5: Solve for x
    x = 303,290,059.71/19,469.70
  6. Step 6: Final answer
    x = 15,577.54

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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.