Home / 11,877.38-17,813.23-3,555.16

Finding the Fourth Proportional to 11,877.38, 17,813.23 and 3,555.16

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Solution

The fourth proportional to 11,877.38, 17,813.23 and 3,555.16 is: 5,331.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,877.38 : 17,813.23 = 3,555.16 : x
  2. Step 2: Convert to fraction form
    11,877.38/17,813.23 = 3,555.16/x
  3. Step 3: Cross multiply
    11,877.38x = 17,813.23 × 3,555.16
  4. Step 4: Simplify right side
    11,877.38x = 63,328,840.48
  5. Step 5: Solve for x
    x = 63,328,840.48/11,877.38
  6. Step 6: Final answer
    x = 5,331.89

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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.