Home / 11,256.87-15,533.58-6,221.31

Finding the Fourth Proportional to 11,256.87, 15,533.58 and 6,221.31

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Solution

The fourth proportional to 11,256.87, 15,533.58 and 6,221.31 is: 8,584.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,256.87 : 15,533.58 = 6,221.31 : x
  2. Step 2: Convert to fraction form
    11,256.87/15,533.58 = 6,221.31/x
  3. Step 3: Cross multiply
    11,256.87x = 15,533.58 × 6,221.31
  4. Step 4: Simplify right side
    11,256.87x = 96,639,216.59
  5. Step 5: Solve for x
    x = 96,639,216.59/11,256.87
  6. Step 6: Final answer
    x = 8,584.91

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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.