Home / 11,235.09-15,504.15-6,199.20

Finding the Fourth Proportional to 11,235.09, 15,504.15 and 6,199.20

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Solution

The fourth proportional to 11,235.09, 15,504.15 and 6,199.20 is: 8,554.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,235.09 : 15,504.15 = 6,199.20 : x
  2. Step 2: Convert to fraction form
    11,235.09/15,504.15 = 6,199.20/x
  3. Step 3: Cross multiply
    11,235.09x = 15,504.15 × 6,199.20
  4. Step 4: Simplify right side
    11,235.09x = 96,113,326.68
  5. Step 5: Solve for x
    x = 96,113,326.68/11,235.09
  6. Step 6: Final answer
    x = 8,554.74

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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.