Home / 11,474.55-15,835.70-6,439.26

Finding the Fourth Proportional to 11,474.55, 15,835.70 and 6,439.26

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Solution

The fourth proportional to 11,474.55, 15,835.70 and 6,439.26 is: 8,886.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,474.55 : 15,835.70 = 6,439.26 : x
  2. Step 2: Convert to fraction form
    11,474.55/15,835.70 = 6,439.26/x
  3. Step 3: Cross multiply
    11,474.55x = 15,835.70 × 6,439.26
  4. Step 4: Simplify right side
    11,474.55x = 101,970,189.58
  5. Step 5: Solve for x
    x = 101,970,189.58/11,474.55
  6. Step 6: Final answer
    x = 8,886.64

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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.