Home / 11,081.12-15,290.96-6,364.96

Finding the Fourth Proportional to 11,081.12, 15,290.96 and 6,364.96

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Solution

The fourth proportional to 11,081.12, 15,290.96 and 6,364.96 is: 8,783.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,081.12 : 15,290.96 = 6,364.96 : x
  2. Step 2: Convert to fraction form
    11,081.12/15,290.96 = 6,364.96/x
  3. Step 3: Cross multiply
    11,081.12x = 15,290.96 × 6,364.96
  4. Step 4: Simplify right side
    11,081.12x = 97,326,348.76
  5. Step 5: Solve for x
    x = 97,326,348.76/11,081.12
  6. Step 6: Final answer
    x = 8,783.08

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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.