Home / 13,076.64-19,619.79-4,757.31

Finding the Fourth Proportional to 13,076.64, 19,619.79 and 4,757.31

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Solution

The fourth proportional to 13,076.64, 19,619.79 and 4,757.31 is: 7,137.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,076.64 : 19,619.79 = 4,757.31 : x
  2. Step 2: Convert to fraction form
    13,076.64/19,619.79 = 4,757.31/x
  3. Step 3: Cross multiply
    13,076.64x = 19,619.79 × 4,757.31
  4. Step 4: Simplify right side
    13,076.64x = 93,337,423.16
  5. Step 5: Solve for x
    x = 93,337,423.16/13,076.64
  6. Step 6: Final answer
    x = 7,137.72

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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.