Home / 12,816.48-19,224.72-10,629.48

Finding the Fourth Proportional to 12,816.48, 19,224.72 and 10,629.48

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Solution

The fourth proportional to 12,816.48, 19,224.72 and 10,629.48 is: 15,944.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,816.48 : 19,224.72 = 10,629.48 : x
  2. Step 2: Convert to fraction form
    12,816.48/19,224.72 = 10,629.48/x
  3. Step 3: Cross multiply
    12,816.48x = 19,224.72 × 10,629.48
  4. Step 4: Simplify right side
    12,816.48x = 204,348,776.75
  5. Step 5: Solve for x
    x = 204,348,776.75/12,816.48
  6. Step 6: Final answer
    x = 15,944.22

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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.