Home / 10,345.62-15,520.41-4,104.39

Finding the Fourth Proportional to 10,345.62, 15,520.41 and 4,104.39

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Solution

The fourth proportional to 10,345.62, 15,520.41 and 4,104.39 is: 6,157.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,345.62 : 15,520.41 = 4,104.39 : x
  2. Step 2: Convert to fraction form
    10,345.62/15,520.41 = 4,104.39/x
  3. Step 3: Cross multiply
    10,345.62x = 15,520.41 × 4,104.39
  4. Step 4: Simplify right side
    10,345.62x = 63,701,815.60
  5. Step 5: Solve for x
    x = 63,701,815.60/10,345.62
  6. Step 6: Final answer
    x = 6,157.37

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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.