Home / 11,185.86-16,784.55-6,187.32

Finding the Fourth Proportional to 11,185.86, 16,784.55 and 6,187.32

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Solution

The fourth proportional to 11,185.86, 16,784.55 and 6,187.32 is: 9,284.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,185.86 : 16,784.55 = 6,187.32 : x
  2. Step 2: Convert to fraction form
    11,185.86/16,784.55 = 6,187.32/x
  3. Step 3: Cross multiply
    11,185.86x = 16,784.55 × 6,187.32
  4. Step 4: Simplify right side
    11,185.86x = 103,851,381.91
  5. Step 5: Solve for x
    x = 103,851,381.91/11,185.86
  6. Step 6: Final answer
    x = 9,284.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.