Home / 13,606.08-20,416.68-7,366

Finding the Fourth Proportional to 13,606.08, 20,416.68 and 7,366

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Solution

The fourth proportional to 13,606.08, 20,416.68 and 7,366 is: 11,053.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,606.08 : 20,416.68 = 7,366 : x
  2. Step 2: Convert to fraction form
    13,606.08/20,416.68 = 7,366/x
  3. Step 3: Cross multiply
    13,606.08x = 20,416.68 × 7,366
  4. Step 4: Simplify right side
    13,606.08x = 150,389,264.88
  5. Step 5: Solve for x
    x = 150,389,264.88/13,606.08
  6. Step 6: Final answer
    x = 11,053.09

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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.