Home / 12,850.36-19,277.16-5,459.92

Finding the Fourth Proportional to 12,850.36, 19,277.16 and 5,459.92

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Solution

The fourth proportional to 12,850.36, 19,277.16 and 5,459.92 is: 8,190.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,850.36 : 19,277.16 = 5,459.92 : x
  2. Step 2: Convert to fraction form
    12,850.36/19,277.16 = 5,459.92/x
  3. Step 3: Cross multiply
    12,850.36x = 19,277.16 × 5,459.92
  4. Step 4: Simplify right side
    12,850.36x = 105,251,751.43
  5. Step 5: Solve for x
    x = 105,251,751.43/12,850.36
  6. Step 6: Final answer
    x = 8,190.57

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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.