Home / 12,175.11-18,259.48-5,509.01

Finding the Fourth Proportional to 12,175.11, 18,259.48 and 5,509.01

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Solution

The fourth proportional to 12,175.11, 18,259.48 and 5,509.01 is: 8,262.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,175.11 : 18,259.48 = 5,509.01 : x
  2. Step 2: Convert to fraction form
    12,175.11/18,259.48 = 5,509.01/x
  3. Step 3: Cross multiply
    12,175.11x = 18,259.48 × 5,509.01
  4. Step 4: Simplify right side
    12,175.11x = 100,591,679.46
  5. Step 5: Solve for x
    x = 100,591,679.46/12,175.11
  6. Step 6: Final answer
    x = 8,262.08

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1.5x scale

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.