Home / 8,237.88-12,383.58-6,612.24

Finding the Fourth Proportional to 8,237.88, 12,383.58 and 6,612.24

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Solution

The fourth proportional to 8,237.88, 12,383.58 and 6,612.24 is: 9,939.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,237.88 : 12,383.58 = 6,612.24 : x
  2. Step 2: Convert to fraction form
    8,237.88/12,383.58 = 6,612.24/x
  3. Step 3: Cross multiply
    8,237.88x = 12,383.58 × 6,612.24
  4. Step 4: Simplify right side
    8,237.88x = 81,883,203.02
  5. Step 5: Solve for x
    x = 81,883,203.02/8,237.88
  6. Step 6: Final answer
    x = 9,939.84

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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.