Home / 11,555.70-17,334.06-3,549.86

Finding the Fourth Proportional to 11,555.70, 17,334.06 and 3,549.86

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Solution

The fourth proportional to 11,555.70, 17,334.06 and 3,549.86 is: 5,324.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,555.70 : 17,334.06 = 3,549.86 : x
  2. Step 2: Convert to fraction form
    11,555.70/17,334.06 = 3,549.86/x
  3. Step 3: Cross multiply
    11,555.70x = 17,334.06 × 3,549.86
  4. Step 4: Simplify right side
    11,555.70x = 61,533,486.23
  5. Step 5: Solve for x
    x = 61,533,486.23/11,555.70
  6. Step 6: Final answer
    x = 5,324.95

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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.