Home / 18,009.17-27,017.77-5,530.28

Finding the Fourth Proportional to 18,009.17, 27,017.77 and 5,530.28

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Solution

The fourth proportional to 18,009.17, 27,017.77 and 5,530.28 is: 8,296.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,009.17 : 27,017.77 = 5,530.28 : x
  2. Step 2: Convert to fraction form
    18,009.17/27,017.77 = 5,530.28/x
  3. Step 3: Cross multiply
    18,009.17x = 27,017.77 × 5,530.28
  4. Step 4: Simplify right side
    18,009.17x = 149,415,833.08
  5. Step 5: Solve for x
    x = 149,415,833.08/18,009.17
  6. Step 6: Final answer
    x = 8,296.65

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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.