Home / 11,677.32-17,518.44-3,780.24

Finding the Fourth Proportional to 11,677.32, 17,518.44 and 3,780.24

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Solution

The fourth proportional to 11,677.32, 17,518.44 and 3,780.24 is: 5,671.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,677.32 : 17,518.44 = 3,780.24 : x
  2. Step 2: Convert to fraction form
    11,677.32/17,518.44 = 3,780.24/x
  3. Step 3: Cross multiply
    11,677.32x = 17,518.44 × 3,780.24
  4. Step 4: Simplify right side
    11,677.32x = 66,223,907.63
  5. Step 5: Solve for x
    x = 66,223,907.63/11,677.32
  6. Step 6: Final answer
    x = 5,671.16

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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.