Home / 15,980.49-22,055.22-9,268.20

Finding the Fourth Proportional to 15,980.49, 22,055.22 and 9,268.20

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Solution

The fourth proportional to 15,980.49, 22,055.22 and 9,268.20 is: 12,791.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,980.49 : 22,055.22 = 9,268.20 : x
  2. Step 2: Convert to fraction form
    15,980.49/22,055.22 = 9,268.20/x
  3. Step 3: Cross multiply
    15,980.49x = 22,055.22 × 9,268.20
  4. Step 4: Simplify right side
    15,980.49x = 204,412,190.00
  5. Step 5: Solve for x
    x = 204,412,190.00/15,980.49
  6. Step 6: Final answer
    x = 12,791.36

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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.