Home / 10,245.39-15,365.30-4,400.63

Finding the Fourth Proportional to 10,245.39, 15,365.30 and 4,400.63

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Solution

The fourth proportional to 10,245.39, 15,365.30 and 4,400.63 is: 6,599.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,245.39 : 15,365.30 = 4,400.63 : x
  2. Step 2: Convert to fraction form
    10,245.39/15,365.30 = 4,400.63/x
  3. Step 3: Cross multiply
    10,245.39x = 15,365.30 × 4,400.63
  4. Step 4: Simplify right side
    10,245.39x = 67,616,958.93
  5. Step 5: Solve for x
    x = 67,616,958.93/10,245.39
  6. Step 6: Final answer
    x = 6,599.75

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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.