Home / 14,997.89-20,699.98-8,628.77

Finding the Fourth Proportional to 14,997.89, 20,699.98 and 8,628.77

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Solution

The fourth proportional to 14,997.89, 20,699.98 and 8,628.77 is: 11,909.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,997.89 : 20,699.98 = 8,628.77 : x
  2. Step 2: Convert to fraction form
    14,997.89/20,699.98 = 8,628.77/x
  3. Step 3: Cross multiply
    14,997.89x = 20,699.98 × 8,628.77
  4. Step 4: Simplify right side
    14,997.89x = 178,615,396.60
  5. Step 5: Solve for x
    x = 178,615,396.60/14,997.89
  6. Step 6: Final answer
    x = 11,909.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.