Home / 11,235.84-15,505.28-6,131.32

Finding the Fourth Proportional to 11,235.84, 15,505.28 and 6,131.32

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Solution

The fourth proportional to 11,235.84, 15,505.28 and 6,131.32 is: 8,461.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,235.84 : 15,505.28 = 6,131.32 : x
  2. Step 2: Convert to fraction form
    11,235.84/15,505.28 = 6,131.32/x
  3. Step 3: Cross multiply
    11,235.84x = 15,505.28 × 6,131.32
  4. Step 4: Simplify right side
    11,235.84x = 95,067,833.37
  5. Step 5: Solve for x
    x = 95,067,833.37/11,235.84
  6. Step 6: Final answer
    x = 8,461.12

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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.