Home / 11,748.55-16,213.20-6,443.32

Finding the Fourth Proportional to 11,748.55, 16,213.20 and 6,443.32

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Solution

The fourth proportional to 11,748.55, 16,213.20 and 6,443.32 is: 8,891.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,748.55 : 16,213.20 = 6,443.32 : x
  2. Step 2: Convert to fraction form
    11,748.55/16,213.20 = 6,443.32/x
  3. Step 3: Cross multiply
    11,748.55x = 16,213.20 × 6,443.32
  4. Step 4: Simplify right side
    11,748.55x = 104,466,754.76
  5. Step 5: Solve for x
    x = 104,466,754.76/11,748.55
  6. Step 6: Final answer
    x = 8,891.89

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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.