Home / 14,313.68-21,467.78-4,453.08

Finding the Fourth Proportional to 14,313.68, 21,467.78 and 4,453.08

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Solution

The fourth proportional to 14,313.68, 21,467.78 and 4,453.08 is: 6,678.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,313.68 : 21,467.78 = 4,453.08 : x
  2. Step 2: Convert to fraction form
    14,313.68/21,467.78 = 4,453.08/x
  3. Step 3: Cross multiply
    14,313.68x = 21,467.78 × 4,453.08
  4. Step 4: Simplify right side
    14,313.68x = 95,597,741.76
  5. Step 5: Solve for x
    x = 95,597,741.76/14,313.68
  6. Step 6: Final answer
    x = 6,678.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.