Home / 13,350-19,995.16-9,442.48

Finding the Fourth Proportional to 13,350, 19,995.16 and 9,442.48

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Solution

The fourth proportional to 13,350, 19,995.16 and 9,442.48 is: 14,142.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,350 : 19,995.16 = 9,442.48 : x
  2. Step 2: Convert to fraction form
    13,350/19,995.16 = 9,442.48/x
  3. Step 3: Cross multiply
    13,350x = 19,995.16 × 9,442.48
  4. Step 4: Simplify right side
    13,350x = 188,803,898.40
  5. Step 5: Solve for x
    x = 188,803,898.40/13,350
  6. Step 6: Final answer
    x = 14,142.61

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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.