Home / 12,160.45-18,229.65-4,367.44

Finding the Fourth Proportional to 12,160.45, 18,229.65 and 4,367.44

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Solution

The fourth proportional to 12,160.45, 18,229.65 and 4,367.44 is: 6,547.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,160.45 : 18,229.65 = 4,367.44 : x
  2. Step 2: Convert to fraction form
    12,160.45/18,229.65 = 4,367.44/x
  3. Step 3: Cross multiply
    12,160.45x = 18,229.65 × 4,367.44
  4. Step 4: Simplify right side
    12,160.45x = 79,616,902.60
  5. Step 5: Solve for x
    x = 79,616,902.60/12,160.45
  6. Step 6: Final answer
    x = 6,547.20

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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.