Home / 10,966.88-16,421.04-5,761.76

Finding the Fourth Proportional to 10,966.88, 16,421.04 and 5,761.76

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Solution

The fourth proportional to 10,966.88, 16,421.04 and 5,761.76 is: 8,627.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,966.88 : 16,421.04 = 5,761.76 : x
  2. Step 2: Convert to fraction form
    10,966.88/16,421.04 = 5,761.76/x
  3. Step 3: Cross multiply
    10,966.88x = 16,421.04 × 5,761.76
  4. Step 4: Simplify right side
    10,966.88x = 94,614,091.43
  5. Step 5: Solve for x
    x = 94,614,091.43/10,966.88
  6. Step 6: Final answer
    x = 8,627.26

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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.