Home / 10,519.64-15,773.93-3,123.08

Finding the Fourth Proportional to 10,519.64, 15,773.93 and 3,123.08

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Solution

The fourth proportional to 10,519.64, 15,773.93 and 3,123.08 is: 4,682.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,519.64 : 15,773.93 = 3,123.08 : x
  2. Step 2: Convert to fraction form
    10,519.64/15,773.93 = 3,123.08/x
  3. Step 3: Cross multiply
    10,519.64x = 15,773.93 × 3,123.08
  4. Step 4: Simplify right side
    10,519.64x = 49,263,245.30
  5. Step 5: Solve for x
    x = 49,263,245.30/10,519.64
  6. Step 6: Final answer
    x = 4,682.98

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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.