Home / 12,764.99-19,156.23-4,445.01

Finding the Fourth Proportional to 12,764.99, 19,156.23 and 4,445.01

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Solution

The fourth proportional to 12,764.99, 19,156.23 and 4,445.01 is: 6,670.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,764.99 : 19,156.23 = 4,445.01 : x
  2. Step 2: Convert to fraction form
    12,764.99/19,156.23 = 4,445.01/x
  3. Step 3: Cross multiply
    12,764.99x = 19,156.23 × 4,445.01
  4. Step 4: Simplify right side
    12,764.99x = 85,149,633.91
  5. Step 5: Solve for x
    x = 85,149,633.91/12,764.99
  6. Step 6: Final answer
    x = 6,670.56

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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.