Home / 13,032.65-19,548.70-3,171.98

Finding the Fourth Proportional to 13,032.65, 19,548.70 and 3,171.98

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Solution

The fourth proportional to 13,032.65, 19,548.70 and 3,171.98 is: 4,757.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,032.65 : 19,548.70 = 3,171.98 : x
  2. Step 2: Convert to fraction form
    13,032.65/19,548.70 = 3,171.98/x
  3. Step 3: Cross multiply
    13,032.65x = 19,548.70 × 3,171.98
  4. Step 4: Simplify right side
    13,032.65x = 62,008,126.37
  5. Step 5: Solve for x
    x = 62,008,126.37/13,032.65
  6. Step 6: Final answer
    x = 4,757.91

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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.