Home / 13,304.16-19,959.60-5,511.36

Finding the Fourth Proportional to 13,304.16, 19,959.60 and 5,511.36

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Solution

The fourth proportional to 13,304.16, 19,959.60 and 5,511.36 is: 8,268.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,304.16 : 19,959.60 = 5,511.36 : x
  2. Step 2: Convert to fraction form
    13,304.16/19,959.60 = 5,511.36/x
  3. Step 3: Cross multiply
    13,304.16x = 19,959.60 × 5,511.36
  4. Step 4: Simplify right side
    13,304.16x = 110,004,541.06
  5. Step 5: Solve for x
    x = 110,004,541.06/13,304.16
  6. Step 6: Final answer
    x = 8,268.43

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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.