Home / 11,171.32-15,416.52-6,135.64

Finding the Fourth Proportional to 11,171.32, 15,416.52 and 6,135.64

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Solution

The fourth proportional to 11,171.32, 15,416.52 and 6,135.64 is: 8,467.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,171.32 : 15,416.52 = 6,135.64 : x
  2. Step 2: Convert to fraction form
    11,171.32/15,416.52 = 6,135.64/x
  3. Step 3: Cross multiply
    11,171.32x = 15,416.52 × 6,135.64
  4. Step 4: Simplify right side
    11,171.32x = 94,590,216.77
  5. Step 5: Solve for x
    x = 94,590,216.77/11,171.32
  6. Step 6: Final answer
    x = 8,467.24

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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.