Home / 11,228.20-15,494.58-6,260.20

Finding the Fourth Proportional to 11,228.20, 15,494.58 and 6,260.20

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Solution

The fourth proportional to 11,228.20, 15,494.58 and 6,260.20 is: 8,638.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,228.20 : 15,494.58 = 6,260.20 : x
  2. Step 2: Convert to fraction form
    11,228.20/15,494.58 = 6,260.20/x
  3. Step 3: Cross multiply
    11,228.20x = 15,494.58 × 6,260.20
  4. Step 4: Simplify right side
    11,228.20x = 96,999,169.72
  5. Step 5: Solve for x
    x = 96,999,169.72/11,228.20
  6. Step 6: Final answer
    x = 8,638.89

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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.