Home / 15,349.68-21,182.82-8,544.24

Finding the Fourth Proportional to 15,349.68, 21,182.82 and 8,544.24

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Solution

The fourth proportional to 15,349.68, 21,182.82 and 8,544.24 is: 11,791.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,349.68 : 21,182.82 = 8,544.24 : x
  2. Step 2: Convert to fraction form
    15,349.68/21,182.82 = 8,544.24/x
  3. Step 3: Cross multiply
    15,349.68x = 21,182.82 × 8,544.24
  4. Step 4: Simplify right side
    15,349.68x = 180,991,097.96
  5. Step 5: Solve for x
    x = 180,991,097.96/15,349.68
  6. Step 6: Final answer
    x = 11,791.20

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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.