Home / 11,176.33-15,423.72-6,141.02

Finding the Fourth Proportional to 11,176.33, 15,423.72 and 6,141.02

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Solution

The fourth proportional to 11,176.33, 15,423.72 and 6,141.02 is: 8,474.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,176.33 : 15,423.72 = 6,141.02 : x
  2. Step 2: Convert to fraction form
    11,176.33/15,423.72 = 6,141.02/x
  3. Step 3: Cross multiply
    11,176.33x = 15,423.72 × 6,141.02
  4. Step 4: Simplify right side
    11,176.33x = 94,717,272.85
  5. Step 5: Solve for x
    x = 94,717,272.85/11,176.33
  6. Step 6: Final answer
    x = 8,474.81

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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.