Home / 13,195.64-19,801.50-6,871.16

Finding the Fourth Proportional to 13,195.64, 19,801.50 and 6,871.16

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Solution

The fourth proportional to 13,195.64, 19,801.50 and 6,871.16 is: 10,310.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,195.64 : 19,801.50 = 6,871.16 : x
  2. Step 2: Convert to fraction form
    13,195.64/19,801.50 = 6,871.16/x
  3. Step 3: Cross multiply
    13,195.64x = 19,801.50 × 6,871.16
  4. Step 4: Simplify right side
    13,195.64x = 136,059,274.74
  5. Step 5: Solve for x
    x = 136,059,274.74/13,195.64
  6. Step 6: Final answer
    x = 10,310.93

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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.