Home / 11,722.16-16,176.48-6,416.92

Finding the Fourth Proportional to 11,722.16, 16,176.48 and 6,416.92

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Solution

The fourth proportional to 11,722.16, 16,176.48 and 6,416.92 is: 8,855.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,722.16 : 16,176.48 = 6,416.92 : x
  2. Step 2: Convert to fraction form
    11,722.16/16,176.48 = 6,416.92/x
  3. Step 3: Cross multiply
    11,722.16x = 16,176.48 × 6,416.92
  4. Step 4: Simplify right side
    11,722.16x = 103,803,178.04
  5. Step 5: Solve for x
    x = 103,803,178.04/11,722.16
  6. Step 6: Final answer
    x = 8,855.29

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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.