Home / 11,380.56-17,068.68-3,587.28

Finding the Fourth Proportional to 11,380.56, 17,068.68 and 3,587.28

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Solution

The fourth proportional to 11,380.56, 17,068.68 and 3,587.28 is: 5,380.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,380.56 : 17,068.68 = 3,587.28 : x
  2. Step 2: Convert to fraction form
    11,380.56/17,068.68 = 3,587.28/x
  3. Step 3: Cross multiply
    11,380.56x = 17,068.68 × 3,587.28
  4. Step 4: Simplify right side
    11,380.56x = 61,230,134.39
  5. Step 5: Solve for x
    x = 61,230,134.39/11,380.56
  6. Step 6: Final answer
    x = 5,380.24

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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.