Home / 15,787.53-23,676.57-13,007.31

Finding the Fourth Proportional to 15,787.53, 23,676.57 and 13,007.31

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Solution

The fourth proportional to 15,787.53, 23,676.57 and 13,007.31 is: 19,507.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,787.53 : 23,676.57 = 13,007.31 : x
  2. Step 2: Convert to fraction form
    15,787.53/23,676.57 = 13,007.31/x
  3. Step 3: Cross multiply
    15,787.53x = 23,676.57 × 13,007.31
  4. Step 4: Simplify right side
    15,787.53x = 307,968,485.73
  5. Step 5: Solve for x
    x = 307,968,485.73/15,787.53
  6. Step 6: Final answer
    x = 19,507.07

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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.