Home / 11,930.19-16,463.78-6,624.99

Finding the Fourth Proportional to 11,930.19, 16,463.78 and 6,624.99

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Solution

The fourth proportional to 11,930.19, 16,463.78 and 6,624.99 is: 9,142.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,930.19 : 16,463.78 = 6,624.99 : x
  2. Step 2: Convert to fraction form
    11,930.19/16,463.78 = 6,624.99/x
  3. Step 3: Cross multiply
    11,930.19x = 16,463.78 × 6,624.99
  4. Step 4: Simplify right side
    11,930.19x = 109,072,388.21
  5. Step 5: Solve for x
    x = 109,072,388.21/11,930.19
  6. Step 6: Final answer
    x = 9,142.56

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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.