Home / 11,775.12-16,249.98-6,470.22

Finding the Fourth Proportional to 11,775.12, 16,249.98 and 6,470.22

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Solution

The fourth proportional to 11,775.12, 16,249.98 and 6,470.22 is: 8,929.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,775.12 : 16,249.98 = 6,470.22 : x
  2. Step 2: Convert to fraction form
    11,775.12/16,249.98 = 6,470.22/x
  3. Step 3: Cross multiply
    11,775.12x = 16,249.98 × 6,470.22
  4. Step 4: Simplify right side
    11,775.12x = 105,140,945.60
  5. Step 5: Solve for x
    x = 105,140,945.60/11,775.12
  6. Step 6: Final answer
    x = 8,929.08

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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.