Home / 11,860.72-17,801.85-6,318.79

Finding the Fourth Proportional to 11,860.72, 17,801.85 and 6,318.79

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Solution

The fourth proportional to 11,860.72, 17,801.85 and 6,318.79 is: 9,483.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,860.72 : 17,801.85 = 6,318.79 : x
  2. Step 2: Convert to fraction form
    11,860.72/17,801.85 = 6,318.79/x
  3. Step 3: Cross multiply
    11,860.72x = 17,801.85 × 6,318.79
  4. Step 4: Simplify right side
    11,860.72x = 112,486,151.76
  5. Step 5: Solve for x
    x = 112,486,151.76/11,860.72
  6. Step 6: Final answer
    x = 9,483.92

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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.