Home / 11,256.85-15,534.38-6,221.36

Finding the Fourth Proportional to 11,256.85, 15,534.38 and 6,221.36

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Solution

The fourth proportional to 11,256.85, 15,534.38 and 6,221.36 is: 8,585.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,256.85 : 15,534.38 = 6,221.36 : x
  2. Step 2: Convert to fraction form
    11,256.85/15,534.38 = 6,221.36/x
  3. Step 3: Cross multiply
    11,256.85x = 15,534.38 × 6,221.36
  4. Step 4: Simplify right side
    11,256.85x = 96,645,024.75
  5. Step 5: Solve for x
    x = 96,645,024.75/11,256.85
  6. Step 6: Final answer
    x = 8,585.44

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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.