Home / 13,007.10-19,508.67-4,242

Finding the Fourth Proportional to 13,007.10, 19,508.67 and 4,242

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Solution

The fourth proportional to 13,007.10, 19,508.67 and 4,242 is: 6,362.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,007.10 : 19,508.67 = 4,242 : x
  2. Step 2: Convert to fraction form
    13,007.10/19,508.67 = 4,242/x
  3. Step 3: Cross multiply
    13,007.10x = 19,508.67 × 4,242
  4. Step 4: Simplify right side
    13,007.10x = 82,755,778.14
  5. Step 5: Solve for x
    x = 82,755,778.14/13,007.10
  6. Step 6: Final answer
    x = 6,362.35

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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.