Home / 13,959.83-19,261.50-8,296.43

Finding the Fourth Proportional to 13,959.83, 19,261.50 and 8,296.43

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Solution

The fourth proportional to 13,959.83, 19,261.50 and 8,296.43 is: 11,447.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,959.83 : 19,261.50 = 8,296.43 : x
  2. Step 2: Convert to fraction form
    13,959.83/19,261.50 = 8,296.43/x
  3. Step 3: Cross multiply
    13,959.83x = 19,261.50 × 8,296.43
  4. Step 4: Simplify right side
    13,959.83x = 159,801,686.45
  5. Step 5: Solve for x
    x = 159,801,686.45/13,959.83
  6. Step 6: Final answer
    x = 11,447.25

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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.