Home / 13,260.44-19,969.61-11,549.72

Finding the Fourth Proportional to 13,260.44, 19,969.61 and 11,549.72

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Solution

The fourth proportional to 13,260.44, 19,969.61 and 11,549.72 is: 17,393.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,260.44 : 19,969.61 = 11,549.72 : x
  2. Step 2: Convert to fraction form
    13,260.44/19,969.61 = 11,549.72/x
  3. Step 3: Cross multiply
    13,260.44x = 19,969.61 × 11,549.72
  4. Step 4: Simplify right side
    13,260.44x = 230,643,404.01
  5. Step 5: Solve for x
    x = 230,643,404.01/13,260.44
  6. Step 6: Final answer
    x = 17,393.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.