Home / 11,118.08-16,655.12-5,845.20

Finding the Fourth Proportional to 11,118.08, 16,655.12 and 5,845.20

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Solution

The fourth proportional to 11,118.08, 16,655.12 and 5,845.20 is: 8,756.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,118.08 : 16,655.12 = 5,845.20 : x
  2. Step 2: Convert to fraction form
    11,118.08/16,655.12 = 5,845.20/x
  3. Step 3: Cross multiply
    11,118.08x = 16,655.12 × 5,845.20
  4. Step 4: Simplify right side
    11,118.08x = 97,352,507.42
  5. Step 5: Solve for x
    x = 97,352,507.42/11,118.08
  6. Step 6: Final answer
    x = 8,756.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.