Home / 15,583.72-23,379.48-4,490.16

Finding the Fourth Proportional to 15,583.72, 23,379.48 and 4,490.16

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Solution

The fourth proportional to 15,583.72, 23,379.48 and 4,490.16 is: 6,736.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,583.72 : 23,379.48 = 4,490.16 : x
  2. Step 2: Convert to fraction form
    15,583.72/23,379.48 = 4,490.16/x
  3. Step 3: Cross multiply
    15,583.72x = 23,379.48 × 4,490.16
  4. Step 4: Simplify right side
    15,583.72x = 104,977,605.92
  5. Step 5: Solve for x
    x = 104,977,605.92/15,583.72
  6. Step 6: Final answer
    x = 6,736.36

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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.