Home / 11,111.08-15,333.88-6,396.88

Finding the Fourth Proportional to 11,111.08, 15,333.88 and 6,396.88

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Solution

The fourth proportional to 11,111.08, 15,333.88 and 6,396.88 is: 8,828.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,111.08 : 15,333.88 = 6,396.88 : x
  2. Step 2: Convert to fraction form
    11,111.08/15,333.88 = 6,396.88/x
  3. Step 3: Cross multiply
    11,111.08x = 15,333.88 × 6,396.88
  4. Step 4: Simplify right side
    11,111.08x = 98,088,990.29
  5. Step 5: Solve for x
    x = 98,088,990.29/11,111.08
  6. Step 6: Final answer
    x = 8,828.03

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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.