Home / 11,795.40-16,277.64-6,417.84

Finding the Fourth Proportional to 11,795.40, 16,277.64 and 6,417.84

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Solution

The fourth proportional to 11,795.40, 16,277.64 and 6,417.84 is: 8,856.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,795.40 : 16,277.64 = 6,417.84 : x
  2. Step 2: Convert to fraction form
    11,795.40/16,277.64 = 6,417.84/x
  3. Step 3: Cross multiply
    11,795.40x = 16,277.64 × 6,417.84
  4. Step 4: Simplify right side
    11,795.40x = 104,467,289.10
  5. Step 5: Solve for x
    x = 104,467,289.10/11,795.40
  6. Step 6: Final answer
    x = 8,856.61

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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.