Home / 11,862.72-17,804.85-6,320.79

Finding the Fourth Proportional to 11,862.72, 17,804.85 and 6,320.79

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Solution

The fourth proportional to 11,862.72, 17,804.85 and 6,320.79 is: 9,486.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,862.72 : 17,804.85 = 6,320.79 : x
  2. Step 2: Convert to fraction form
    11,862.72/17,804.85 = 6,320.79/x
  3. Step 3: Cross multiply
    11,862.72x = 17,804.85 × 6,320.79
  4. Step 4: Simplify right side
    11,862.72x = 112,540,717.83
  5. Step 5: Solve for x
    x = 112,540,717.83/11,862.72
  6. Step 6: Final answer
    x = 9,486.92

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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.