Home / 11,146.86-15,382.50-6,111.36

Finding the Fourth Proportional to 11,146.86, 15,382.50 and 6,111.36

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Solution

The fourth proportional to 11,146.86, 15,382.50 and 6,111.36 is: 8,433.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,146.86 : 15,382.50 = 6,111.36 : x
  2. Step 2: Convert to fraction form
    11,146.86/15,382.50 = 6,111.36/x
  3. Step 3: Cross multiply
    11,146.86x = 15,382.50 × 6,111.36
  4. Step 4: Simplify right side
    11,146.86x = 94,007,995.20
  5. Step 5: Solve for x
    x = 94,007,995.20/11,146.86
  6. Step 6: Final answer
    x = 8,433.59

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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.