Home / 11,103.81-16,655.99-5,261.01

Finding the Fourth Proportional to 11,103.81, 16,655.99 and 5,261.01

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Solution

The fourth proportional to 11,103.81, 16,655.99 and 5,261.01 is: 7,891.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,103.81 : 16,655.99 = 5,261.01 : x
  2. Step 2: Convert to fraction form
    11,103.81/16,655.99 = 5,261.01/x
  3. Step 3: Cross multiply
    11,103.81x = 16,655.99 × 5,261.01
  4. Step 4: Simplify right side
    11,103.81x = 87,627,303.64
  5. Step 5: Solve for x
    x = 87,627,303.64/11,103.81
  6. Step 6: Final answer
    x = 7,891.64

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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.