Home / 19,055.06-28,563.76-9,042.22

Finding the Fourth Proportional to 19,055.06, 28,563.76 and 9,042.22

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Solution

The fourth proportional to 19,055.06, 28,563.76 and 9,042.22 is: 13,554.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,055.06 : 28,563.76 = 9,042.22 : x
  2. Step 2: Convert to fraction form
    19,055.06/28,563.76 = 9,042.22/x
  3. Step 3: Cross multiply
    19,055.06x = 28,563.76 × 9,042.22
  4. Step 4: Simplify right side
    19,055.06x = 258,279,801.95
  5. Step 5: Solve for x
    x = 258,279,801.95/19,055.06
  6. Step 6: Final answer
    x = 13,554.39

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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.