Home / 10,546.58-15,821.69-4,309.98

Finding the Fourth Proportional to 10,546.58, 15,821.69 and 4,309.98

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Solution

The fourth proportional to 10,546.58, 15,821.69 and 4,309.98 is: 6,465.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,546.58 : 15,821.69 = 4,309.98 : x
  2. Step 2: Convert to fraction form
    10,546.58/15,821.69 = 4,309.98/x
  3. Step 3: Cross multiply
    10,546.58x = 15,821.69 × 4,309.98
  4. Step 4: Simplify right side
    10,546.58x = 68,191,167.47
  5. Step 5: Solve for x
    x = 68,191,167.47/10,546.58
  6. Step 6: Final answer
    x = 6,465.71

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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.