Home / 10,418.41-15,628.83-4,180.60

Finding the Fourth Proportional to 10,418.41, 15,628.83 and 4,180.60

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Solution

The fourth proportional to 10,418.41, 15,628.83 and 4,180.60 is: 6,271.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,418.41 : 15,628.83 = 4,180.60 : x
  2. Step 2: Convert to fraction form
    10,418.41/15,628.83 = 4,180.60/x
  3. Step 3: Cross multiply
    10,418.41x = 15,628.83 × 4,180.60
  4. Step 4: Simplify right side
    10,418.41x = 65,337,886.70
  5. Step 5: Solve for x
    x = 65,337,886.70/10,418.41
  6. Step 6: Final answer
    x = 6,271.39

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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.