Home / 11,761.02-16,229.57-6,455.43

Finding the Fourth Proportional to 11,761.02, 16,229.57 and 6,455.43

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Solution

The fourth proportional to 11,761.02, 16,229.57 and 6,455.43 is: 8,908.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,761.02 : 16,229.57 = 6,455.43 : x
  2. Step 2: Convert to fraction form
    11,761.02/16,229.57 = 6,455.43/x
  3. Step 3: Cross multiply
    11,761.02x = 16,229.57 × 6,455.43
  4. Step 4: Simplify right side
    11,761.02x = 104,768,820.79
  5. Step 5: Solve for x
    x = 104,768,820.79/11,761.02
  6. Step 6: Final answer
    x = 8,908.14

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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.