Home / 13,281.64-19,867.74-11,801.80

Finding the Fourth Proportional to 13,281.64, 19,867.74 and 11,801.80

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Solution

The fourth proportional to 13,281.64, 19,867.74 and 11,801.80 is: 17,654.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,281.64 : 19,867.74 = 11,801.80 : x
  2. Step 2: Convert to fraction form
    13,281.64/19,867.74 = 11,801.80/x
  3. Step 3: Cross multiply
    13,281.64x = 19,867.74 × 11,801.80
  4. Step 4: Simplify right side
    13,281.64x = 234,475,093.93
  5. Step 5: Solve for x
    x = 234,475,093.93/13,281.64
  6. Step 6: Final answer
    x = 17,654.08

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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.