Home / 11,876.84-17,817.92-3,557.60

Finding the Fourth Proportional to 11,876.84, 17,817.92 and 3,557.60

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Solution

The fourth proportional to 11,876.84, 17,817.92 and 3,557.60 is: 5,337.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,876.84 : 17,817.92 = 3,557.60 : x
  2. Step 2: Convert to fraction form
    11,876.84/17,817.92 = 3,557.60/x
  3. Step 3: Cross multiply
    11,876.84x = 17,817.92 × 3,557.60
  4. Step 4: Simplify right side
    11,876.84x = 63,389,032.19
  5. Step 5: Solve for x
    x = 63,389,032.19/11,876.84
  6. Step 6: Final answer
    x = 5,337.20

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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.