Home / 18,116.96-27,175.41-4,970.36

Finding the Fourth Proportional to 18,116.96, 27,175.41 and 4,970.36

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Solution

The fourth proportional to 18,116.96, 27,175.41 and 4,970.36 is: 7,455.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,116.96 : 27,175.41 = 4,970.36 : x
  2. Step 2: Convert to fraction form
    18,116.96/27,175.41 = 4,970.36/x
  3. Step 3: Cross multiply
    18,116.96x = 27,175.41 × 4,970.36
  4. Step 4: Simplify right side
    18,116.96x = 135,071,570.85
  5. Step 5: Solve for x
    x = 135,071,570.85/18,116.96
  6. Step 6: Final answer
    x = 7,455.53

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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.