Home / 11,217.36-15,479.24-6,180.72

Finding the Fourth Proportional to 11,217.36, 15,479.24 and 6,180.72

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Solution

The fourth proportional to 11,217.36, 15,479.24 and 6,180.72 is: 8,529.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,217.36 : 15,479.24 = 6,180.72 : x
  2. Step 2: Convert to fraction form
    11,217.36/15,479.24 = 6,180.72/x
  3. Step 3: Cross multiply
    11,217.36x = 15,479.24 × 6,180.72
  4. Step 4: Simplify right side
    11,217.36x = 95,672,848.25
  5. Step 5: Solve for x
    x = 95,672,848.25/11,217.36
  6. Step 6: Final answer
    x = 8,529.00

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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.