Home / 19,115.41-28,677.21-6,635.83

Finding the Fourth Proportional to 19,115.41, 28,677.21 and 6,635.83

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Solution

The fourth proportional to 19,115.41, 28,677.21 and 6,635.83 is: 9,955.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,115.41 : 28,677.21 = 6,635.83 : x
  2. Step 2: Convert to fraction form
    19,115.41/28,677.21 = 6,635.83/x
  3. Step 3: Cross multiply
    19,115.41x = 28,677.21 × 6,635.83
  4. Step 4: Simplify right side
    19,115.41x = 190,297,090.43
  5. Step 5: Solve for x
    x = 190,297,090.43/19,115.41
  6. Step 6: Final answer
    x = 9,955.17

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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.