Home / 13,959.70-19,261.64-8,296.18

Finding the Fourth Proportional to 13,959.70, 19,261.64 and 8,296.18

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Solution

The fourth proportional to 13,959.70, 19,261.64 and 8,296.18 is: 11,447.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,959.70 : 19,261.64 = 8,296.18 : x
  2. Step 2: Convert to fraction form
    13,959.70/19,261.64 = 8,296.18/x
  3. Step 3: Cross multiply
    13,959.70x = 19,261.64 × 8,296.18
  4. Step 4: Simplify right side
    13,959.70x = 159,798,032.54
  5. Step 5: Solve for x
    x = 159,798,032.54/13,959.70
  6. Step 6: Final answer
    x = 11,447.10

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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.