Home / 18,118.98-27,177.26-4,970.25

Finding the Fourth Proportional to 18,118.98, 27,177.26 and 4,970.25

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Solution

The fourth proportional to 18,118.98, 27,177.26 and 4,970.25 is: 7,455.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,118.98 : 27,177.26 = 4,970.25 : x
  2. Step 2: Convert to fraction form
    18,118.98/27,177.26 = 4,970.25/x
  3. Step 3: Cross multiply
    18,118.98x = 27,177.26 × 4,970.25
  4. Step 4: Simplify right side
    18,118.98x = 135,077,751.66
  5. Step 5: Solve for x
    x = 135,077,751.66/18,118.98
  6. Step 6: Final answer
    x = 7,455.04

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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.