Home / 11,213.63-15,474.80-6,500.64

Finding the Fourth Proportional to 11,213.63, 15,474.80 and 6,500.64

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Solution

The fourth proportional to 11,213.63, 15,474.80 and 6,500.64 is: 8,970.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,213.63 : 15,474.80 = 6,500.64 : x
  2. Step 2: Convert to fraction form
    11,213.63/15,474.80 = 6,500.64/x
  3. Step 3: Cross multiply
    11,213.63x = 15,474.80 × 6,500.64
  4. Step 4: Simplify right side
    11,213.63x = 100,596,120.12
  5. Step 5: Solve for x
    x = 100,596,120.12/11,213.63
  6. Step 6: Final answer
    x = 8,970.88

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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.