Home / 11,669.34-17,504.28-3,878.76

Finding the Fourth Proportional to 11,669.34, 17,504.28 and 3,878.76

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Solution

The fourth proportional to 11,669.34, 17,504.28 and 3,878.76 is: 5,818.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,669.34 : 17,504.28 = 3,878.76 : x
  2. Step 2: Convert to fraction form
    11,669.34/17,504.28 = 3,878.76/x
  3. Step 3: Cross multiply
    11,669.34x = 17,504.28 × 3,878.76
  4. Step 4: Simplify right side
    11,669.34x = 67,894,901.09
  5. Step 5: Solve for x
    x = 67,894,901.09/11,669.34
  6. Step 6: Final answer
    x = 5,818.23

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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.