Home / 12,426.76-18,640.34-6,571.27

Finding the Fourth Proportional to 12,426.76, 18,640.34 and 6,571.27

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Solution

The fourth proportional to 12,426.76, 18,640.34 and 6,571.27 is: 9,857.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,426.76 : 18,640.34 = 6,571.27 : x
  2. Step 2: Convert to fraction form
    12,426.76/18,640.34 = 6,571.27/x
  3. Step 3: Cross multiply
    12,426.76x = 18,640.34 × 6,571.27
  4. Step 4: Simplify right side
    12,426.76x = 122,490,580.97
  5. Step 5: Solve for x
    x = 122,490,580.97/12,426.76
  6. Step 6: Final answer
    x = 9,857.00

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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.