Home / 14,953.21-20,632.12-8,661.94

Finding the Fourth Proportional to 14,953.21, 20,632.12 and 8,661.94

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Solution

The fourth proportional to 14,953.21, 20,632.12 and 8,661.94 is: 11,951.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,953.21 : 20,632.12 = 8,661.94 : x
  2. Step 2: Convert to fraction form
    14,953.21/20,632.12 = 8,661.94/x
  3. Step 3: Cross multiply
    14,953.21x = 20,632.12 × 8,661.94
  4. Step 4: Simplify right side
    14,953.21x = 178,714,112.28
  5. Step 5: Solve for x
    x = 178,714,112.28/14,953.21
  6. Step 6: Final answer
    x = 11,951.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.