Home / 11,103.08-15,325.64-6,855.44

Finding the Fourth Proportional to 11,103.08, 15,325.64 and 6,855.44

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Solution

The fourth proportional to 11,103.08, 15,325.64 and 6,855.44 is: 9,462.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,103.08 : 15,325.64 = 6,855.44 : x
  2. Step 2: Convert to fraction form
    11,103.08/15,325.64 = 6,855.44/x
  3. Step 3: Cross multiply
    11,103.08x = 15,325.64 × 6,855.44
  4. Step 4: Simplify right side
    11,103.08x = 105,064,005.48
  5. Step 5: Solve for x
    x = 105,064,005.48/11,103.08
  6. Step 6: Final answer
    x = 9,462.60

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1.5x scale

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.