Home / 12,170.04-18,243.96-4,377.06

Finding the Fourth Proportional to 12,170.04, 18,243.96 and 4,377.06

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Solution

The fourth proportional to 12,170.04, 18,243.96 and 4,377.06 is: 6,561.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,170.04 : 18,243.96 = 4,377.06 : x
  2. Step 2: Convert to fraction form
    12,170.04/18,243.96 = 4,377.06/x
  3. Step 3: Cross multiply
    12,170.04x = 18,243.96 × 4,377.06
  4. Step 4: Simplify right side
    12,170.04x = 79,854,907.56
  5. Step 5: Solve for x
    x = 79,854,907.56/12,170.04
  6. Step 6: Final answer
    x = 6,561.60

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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.