Home / 11,760.19-16,228.51-6,455.09

Finding the Fourth Proportional to 11,760.19, 16,228.51 and 6,455.09

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Solution

The fourth proportional to 11,760.19, 16,228.51 and 6,455.09 is: 8,907.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,760.19 : 16,228.51 = 6,455.09 : x
  2. Step 2: Convert to fraction form
    11,760.19/16,228.51 = 6,455.09/x
  3. Step 3: Cross multiply
    11,760.19x = 16,228.51 × 6,455.09
  4. Step 4: Simplify right side
    11,760.19x = 104,756,492.62
  5. Step 5: Solve for x
    x = 104,756,492.62/11,760.19
  6. Step 6: Final answer
    x = 8,907.72

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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.