Home / 9,486.32-13,088.50-6,129.28

Finding the Fourth Proportional to 9,486.32, 13,088.50 and 6,129.28

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Solution

The fourth proportional to 9,486.32, 13,088.50 and 6,129.28 is: 8,456.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,486.32 : 13,088.50 = 6,129.28 : x
  2. Step 2: Convert to fraction form
    9,486.32/13,088.50 = 6,129.28/x
  3. Step 3: Cross multiply
    9,486.32x = 13,088.50 × 6,129.28
  4. Step 4: Simplify right side
    9,486.32x = 80,223,081.28
  5. Step 5: Solve for x
    x = 80,223,081.28/9,486.32
  6. Step 6: Final answer
    x = 8,456.71

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.