Home / 9,186.86-12,677.48-5,208.24

Finding the Fourth Proportional to 9,186.86, 12,677.48 and 5,208.24

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Solution

The fourth proportional to 9,186.86, 12,677.48 and 5,208.24 is: 7,187.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,186.86 : 12,677.48 = 5,208.24 : x
  2. Step 2: Convert to fraction form
    9,186.86/12,677.48 = 5,208.24/x
  3. Step 3: Cross multiply
    9,186.86x = 12,677.48 × 5,208.24
  4. Step 4: Simplify right side
    9,186.86x = 66,027,358.44
  5. Step 5: Solve for x
    x = 66,027,358.44/9,186.86
  6. Step 6: Final answer
    x = 7,187.15

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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.