Home / 12,767.36-19,153.47-3,999.92

Finding the Fourth Proportional to 12,767.36, 19,153.47 and 3,999.92

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Solution

The fourth proportional to 12,767.36, 19,153.47 and 3,999.92 is: 6,000.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,767.36 : 19,153.47 = 3,999.92 : x
  2. Step 2: Convert to fraction form
    12,767.36/19,153.47 = 3,999.92/x
  3. Step 3: Cross multiply
    12,767.36x = 19,153.47 × 3,999.92
  4. Step 4: Simplify right side
    12,767.36x = 76,612,347.72
  5. Step 5: Solve for x
    x = 76,612,347.72/12,767.36
  6. Step 6: Final answer
    x = 6,000.64

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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.