Home / 11,111.85-15,333.71-6,396.03

Finding the Fourth Proportional to 11,111.85, 15,333.71 and 6,396.03

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Solution

The fourth proportional to 11,111.85, 15,333.71 and 6,396.03 is: 8,826.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,111.85 : 15,333.71 = 6,396.03 : x
  2. Step 2: Convert to fraction form
    11,111.85/15,333.71 = 6,396.03/x
  3. Step 3: Cross multiply
    11,111.85x = 15,333.71 × 6,396.03
  4. Step 4: Simplify right side
    11,111.85x = 98,074,837.19
  5. Step 5: Solve for x
    x = 98,074,837.19/11,111.85
  6. Step 6: Final answer
    x = 8,826.15

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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.