Home / 11,923.68-17,885.64-3,603.77

Finding the Fourth Proportional to 11,923.68, 17,885.64 and 3,603.77

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Solution

The fourth proportional to 11,923.68, 17,885.64 and 3,603.77 is: 5,405.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,923.68 : 17,885.64 = 3,603.77 : x
  2. Step 2: Convert to fraction form
    11,923.68/17,885.64 = 3,603.77/x
  3. Step 3: Cross multiply
    11,923.68x = 17,885.64 × 3,603.77
  4. Step 4: Simplify right side
    11,923.68x = 64,455,656.95
  5. Step 5: Solve for x
    x = 64,455,656.95/11,923.68
  6. Step 6: Final answer
    x = 5,405.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.