Home / 12,541.76-18,796.13-6,997.71

Finding the Fourth Proportional to 12,541.76, 18,796.13 and 6,997.71

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Solution

The fourth proportional to 12,541.76, 18,796.13 and 6,997.71 is: 10,487.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,541.76 : 18,796.13 = 6,997.71 : x
  2. Step 2: Convert to fraction form
    12,541.76/18,796.13 = 6,997.71/x
  3. Step 3: Cross multiply
    12,541.76x = 18,796.13 × 6,997.71
  4. Step 4: Simplify right side
    12,541.76x = 131,529,866.86
  5. Step 5: Solve for x
    x = 131,529,866.86/12,541.76
  6. Step 6: Final answer
    x = 10,487.35

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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.