Home / 15,923.39-23,829.49-13,451.16

Finding the Fourth Proportional to 15,923.39, 23,829.49 and 13,451.16

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Solution

The fourth proportional to 15,923.39, 23,829.49 and 13,451.16 is: 20,129.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,923.39 : 23,829.49 = 13,451.16 : x
  2. Step 2: Convert to fraction form
    15,923.39/23,829.49 = 13,451.16/x
  3. Step 3: Cross multiply
    15,923.39x = 23,829.49 × 13,451.16
  4. Step 4: Simplify right side
    15,923.39x = 320,534,388.88
  5. Step 5: Solve for x
    x = 320,534,388.88/15,923.39
  6. Step 6: Final answer
    x = 20,129.79

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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.