Home / 12,175.20-18,259.20-4,386.24

Finding the Fourth Proportional to 12,175.20, 18,259.20 and 4,386.24

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Solution

The fourth proportional to 12,175.20, 18,259.20 and 4,386.24 is: 6,578.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,175.20 : 18,259.20 = 4,386.24 : x
  2. Step 2: Convert to fraction form
    12,175.20/18,259.20 = 4,386.24/x
  3. Step 3: Cross multiply
    12,175.20x = 18,259.20 × 4,386.24
  4. Step 4: Simplify right side
    12,175.20x = 80,089,233.41
  5. Step 5: Solve for x
    x = 80,089,233.41/12,175.20
  6. Step 6: Final answer
    x = 6,578.06

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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.