Home / 13,318.23-19,977.36-4,553.22

Finding the Fourth Proportional to 13,318.23, 19,977.36 and 4,553.22

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Solution

The fourth proportional to 13,318.23, 19,977.36 and 4,553.22 is: 6,829.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,318.23 : 19,977.36 = 4,553.22 : x
  2. Step 2: Convert to fraction form
    13,318.23/19,977.36 = 4,553.22/x
  3. Step 3: Cross multiply
    13,318.23x = 19,977.36 × 4,553.22
  4. Step 4: Simplify right side
    13,318.23x = 90,961,315.10
  5. Step 5: Solve for x
    x = 90,961,315.10/13,318.23
  6. Step 6: Final answer
    x = 6,829.84

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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.