Home / 19,042.09-28,581.58-9,188.28

Finding the Fourth Proportional to 19,042.09, 28,581.58 and 9,188.28

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Solution

The fourth proportional to 19,042.09, 28,581.58 and 9,188.28 is: 13,791.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,042.09 : 28,581.58 = 9,188.28 : x
  2. Step 2: Convert to fraction form
    19,042.09/28,581.58 = 9,188.28/x
  3. Step 3: Cross multiply
    19,042.09x = 28,581.58 × 9,188.28
  4. Step 4: Simplify right side
    19,042.09x = 262,615,559.88
  5. Step 5: Solve for x
    x = 262,615,559.88/19,042.09
  6. Step 6: Final answer
    x = 13,791.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.