Home / 12,017.05-18,027.30-3,697.77

Finding the Fourth Proportional to 12,017.05, 18,027.30 and 3,697.77

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Solution

The fourth proportional to 12,017.05, 18,027.30 and 3,697.77 is: 5,547.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,017.05 : 18,027.30 = 3,697.77 : x
  2. Step 2: Convert to fraction form
    12,017.05/18,027.30 = 3,697.77/x
  3. Step 3: Cross multiply
    12,017.05x = 18,027.30 × 3,697.77
  4. Step 4: Simplify right side
    12,017.05x = 66,660,809.12
  5. Step 5: Solve for x
    x = 66,660,809.12/12,017.05
  6. Step 6: Final answer
    x = 5,547.19

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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.