Home / 11,774.08-17,640.37-6,215.18

Finding the Fourth Proportional to 11,774.08, 17,640.37 and 6,215.18

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Solution

The fourth proportional to 11,774.08, 17,640.37 and 6,215.18 is: 9,311.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,774.08 : 17,640.37 = 6,215.18 : x
  2. Step 2: Convert to fraction form
    11,774.08/17,640.37 = 6,215.18/x
  3. Step 3: Cross multiply
    11,774.08x = 17,640.37 × 6,215.18
  4. Step 4: Simplify right side
    11,774.08x = 109,638,074.82
  5. Step 5: Solve for x
    x = 109,638,074.82/11,774.08
  6. Step 6: Final answer
    x = 9,311.82

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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.