Home / 11,722.32-16,176.20-6,416.13

Finding the Fourth Proportional to 11,722.32, 16,176.20 and 6,416.13

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Solution

The fourth proportional to 11,722.32, 16,176.20 and 6,416.13 is: 8,853.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,722.32 : 16,176.20 = 6,416.13 : x
  2. Step 2: Convert to fraction form
    11,722.32/16,176.20 = 6,416.13/x
  3. Step 3: Cross multiply
    11,722.32x = 16,176.20 × 6,416.13
  4. Step 4: Simplify right side
    11,722.32x = 103,788,570.03
  5. Step 5: Solve for x
    x = 103,788,570.03/11,722.32
  6. Step 6: Final answer
    x = 8,853.93

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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.