Home / 11,110.92-15,333.08-6,395.20

Finding the Fourth Proportional to 11,110.92, 15,333.08 and 6,395.20

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Solution

The fourth proportional to 11,110.92, 15,333.08 and 6,395.20 is: 8,825.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,110.92 : 15,333.08 = 6,395.20 : x
  2. Step 2: Convert to fraction form
    11,110.92/15,333.08 = 6,395.20/x
  3. Step 3: Cross multiply
    11,110.92x = 15,333.08 × 6,395.20
  4. Step 4: Simplify right side
    11,110.92x = 98,058,165.13
  5. Step 5: Solve for x
    x = 98,058,165.13/11,110.92
  6. Step 6: Final answer
    x = 8,825.39

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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.