Home / 12,301.24-18,418.96-6,445.56

Finding the Fourth Proportional to 12,301.24, 18,418.96 and 6,445.56

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Solution

The fourth proportional to 12,301.24, 18,418.96 and 6,445.56 is: 9,651.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,301.24 : 18,418.96 = 6,445.56 : x
  2. Step 2: Convert to fraction form
    12,301.24/18,418.96 = 6,445.56/x
  3. Step 3: Cross multiply
    12,301.24x = 18,418.96 × 6,445.56
  4. Step 4: Simplify right side
    12,301.24x = 118,720,511.82
  5. Step 5: Solve for x
    x = 118,720,511.82/12,301.24
  6. Step 6: Final answer
    x = 9,651.10

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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.