Home / 11,185.52-15,435.97-6,150.05

Finding the Fourth Proportional to 11,185.52, 15,435.97 and 6,150.05

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Solution

The fourth proportional to 11,185.52, 15,435.97 and 6,150.05 is: 8,487.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,185.52 : 15,435.97 = 6,150.05 : x
  2. Step 2: Convert to fraction form
    11,185.52/15,435.97 = 6,150.05/x
  3. Step 3: Cross multiply
    11,185.52x = 15,435.97 × 6,150.05
  4. Step 4: Simplify right side
    11,185.52x = 94,931,952.63
  5. Step 5: Solve for x
    x = 94,931,952.63/11,185.52
  6. Step 6: Final answer
    x = 8,487.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.