Home / 11,018.88-15,205.68-6,302.79

Finding the Fourth Proportional to 11,018.88, 15,205.68 and 6,302.79

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Solution

The fourth proportional to 11,018.88, 15,205.68 and 6,302.79 is: 8,697.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,018.88 : 15,205.68 = 6,302.79 : x
  2. Step 2: Convert to fraction form
    11,018.88/15,205.68 = 6,302.79/x
  3. Step 3: Cross multiply
    11,018.88x = 15,205.68 × 6,302.79
  4. Step 4: Simplify right side
    11,018.88x = 95,838,207.85
  5. Step 5: Solve for x
    x = 95,838,207.85/11,018.88
  6. Step 6: Final answer
    x = 8,697.64

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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.