Home / 11,730.10-16,190.39-7,251.16

Finding the Fourth Proportional to 11,730.10, 16,190.39 and 7,251.16

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Solution

The fourth proportional to 11,730.10, 16,190.39 and 7,251.16 is: 10,008.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,730.10 : 16,190.39 = 7,251.16 : x
  2. Step 2: Convert to fraction form
    11,730.10/16,190.39 = 7,251.16/x
  3. Step 3: Cross multiply
    11,730.10x = 16,190.39 × 7,251.16
  4. Step 4: Simplify right side
    11,730.10x = 117,399,108.35
  5. Step 5: Solve for x
    x = 117,399,108.35/11,730.10
  6. Step 6: Final answer
    x = 10,008.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.