Home / 11,935.04-16,467.84-6,628.76

Finding the Fourth Proportional to 11,935.04, 16,467.84 and 6,628.76

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Solution

The fourth proportional to 11,935.04, 16,467.84 and 6,628.76 is: 9,146.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,935.04 : 16,467.84 = 6,628.76 : x
  2. Step 2: Convert to fraction form
    11,935.04/16,467.84 = 6,628.76/x
  3. Step 3: Cross multiply
    11,935.04x = 16,467.84 × 6,628.76
  4. Step 4: Simplify right side
    11,935.04x = 109,161,359.08
  5. Step 5: Solve for x
    x = 109,161,359.08/11,935.04
  6. Step 6: Final answer
    x = 9,146.29

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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.