Home / 11,320.51-15,621.96-6,216.02

Finding the Fourth Proportional to 11,320.51, 15,621.96 and 6,216.02

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Solution

The fourth proportional to 11,320.51, 15,621.96 and 6,216.02 is: 8,577.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,320.51 : 15,621.96 = 6,216.02 : x
  2. Step 2: Convert to fraction form
    11,320.51/15,621.96 = 6,216.02/x
  3. Step 3: Cross multiply
    11,320.51x = 15,621.96 × 6,216.02
  4. Step 4: Simplify right side
    11,320.51x = 97,106,375.65
  5. Step 5: Solve for x
    x = 97,106,375.65/11,320.51
  6. Step 6: Final answer
    x = 8,577.92

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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.