Home / 14,447.86-21,665.64-5,676.63

Finding the Fourth Proportional to 14,447.86, 21,665.64 and 5,676.63

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Solution

The fourth proportional to 14,447.86, 21,665.64 and 5,676.63 is: 8,512.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,447.86 : 21,665.64 = 5,676.63 : x
  2. Step 2: Convert to fraction form
    14,447.86/21,665.64 = 5,676.63/x
  3. Step 3: Cross multiply
    14,447.86x = 21,665.64 × 5,676.63
  4. Step 4: Simplify right side
    14,447.86x = 122,987,821.99
  5. Step 5: Solve for x
    x = 122,987,821.99/14,447.86
  6. Step 6: Final answer
    x = 8,512.53

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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.