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Finding the Fourth Proportional to 17,999.91, 27,000.11 and 6,313.47

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Solution

The fourth proportional to 17,999.91, 27,000.11 and 6,313.47 is: 9,470.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,999.91 : 27,000.11 = 6,313.47 : x
  2. Step 2: Convert to fraction form
    17,999.91/27,000.11 = 6,313.47/x
  3. Step 3: Cross multiply
    17,999.91x = 27,000.11 × 6,313.47
  4. Step 4: Simplify right side
    17,999.91x = 170,464,384.48
  5. Step 5: Solve for x
    x = 170,464,384.48/17,999.91
  6. Step 6: Final answer
    x = 9,470.29

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1.5x scale

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.