Home / 12,812.77-19,220.37-4,048.98

Finding the Fourth Proportional to 12,812.77, 19,220.37 and 4,048.98

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Solution

The fourth proportional to 12,812.77, 19,220.37 and 4,048.98 is: 6,073.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,812.77 : 19,220.37 = 4,048.98 : x
  2. Step 2: Convert to fraction form
    12,812.77/19,220.37 = 4,048.98/x
  3. Step 3: Cross multiply
    12,812.77x = 19,220.37 × 4,048.98
  4. Step 4: Simplify right side
    12,812.77x = 77,822,893.72
  5. Step 5: Solve for x
    x = 77,822,893.72/12,812.77
  6. Step 6: Final answer
    x = 6,073.85

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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.