Home / 13,102.81-19,640.37-8,932.48

Finding the Fourth Proportional to 13,102.81, 19,640.37 and 8,932.48

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Solution

The fourth proportional to 13,102.81, 19,640.37 and 8,932.48 is: 13,389.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,102.81 : 19,640.37 = 8,932.48 : x
  2. Step 2: Convert to fraction form
    13,102.81/19,640.37 = 8,932.48/x
  3. Step 3: Cross multiply
    13,102.81x = 19,640.37 × 8,932.48
  4. Step 4: Simplify right side
    13,102.81x = 175,437,196.61
  5. Step 5: Solve for x
    x = 175,437,196.61/13,102.81
  6. Step 6: Final answer
    x = 13,389.28

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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.