Home / 12,199.55-16,835.51-7,163.83

Finding the Fourth Proportional to 12,199.55, 16,835.51 and 7,163.83

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Solution

The fourth proportional to 12,199.55, 16,835.51 and 7,163.83 is: 9,886.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,199.55 : 16,835.51 = 7,163.83 : x
  2. Step 2: Convert to fraction form
    12,199.55/16,835.51 = 7,163.83/x
  3. Step 3: Cross multiply
    12,199.55x = 16,835.51 × 7,163.83
  4. Step 4: Simplify right side
    12,199.55x = 120,606,731.60
  5. Step 5: Solve for x
    x = 120,606,731.60/12,199.55
  6. Step 6: Final answer
    x = 9,886.16

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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.