Home / 13,006.84-19,512.16-4,239.60

Finding the Fourth Proportional to 13,006.84, 19,512.16 and 4,239.60

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Solution

The fourth proportional to 13,006.84, 19,512.16 and 4,239.60 is: 6,360.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,006.84 : 19,512.16 = 4,239.60 : x
  2. Step 2: Convert to fraction form
    13,006.84/19,512.16 = 4,239.60/x
  3. Step 3: Cross multiply
    13,006.84x = 19,512.16 × 4,239.60
  4. Step 4: Simplify right side
    13,006.84x = 82,723,753.54
  5. Step 5: Solve for x
    x = 82,723,753.54/13,006.84
  6. Step 6: Final answer
    x = 6,360.02

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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.