Home / 11,506.80-17,260.56-3,715.68

Finding the Fourth Proportional to 11,506.80, 17,260.56 and 3,715.68

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Solution

The fourth proportional to 11,506.80, 17,260.56 and 3,715.68 is: 5,573.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,506.80 : 17,260.56 = 3,715.68 : x
  2. Step 2: Convert to fraction form
    11,506.80/17,260.56 = 3,715.68/x
  3. Step 3: Cross multiply
    11,506.80x = 17,260.56 × 3,715.68
  4. Step 4: Simplify right side
    11,506.80x = 64,134,717.58
  5. Step 5: Solve for x
    x = 64,134,717.58/11,506.80
  6. Step 6: Final answer
    x = 5,573.64

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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.