Home / 14,630.07-20,189.79-8,659.56

Finding the Fourth Proportional to 14,630.07, 20,189.79 and 8,659.56

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Solution

The fourth proportional to 14,630.07, 20,189.79 and 8,659.56 is: 11,950.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,630.07 : 20,189.79 = 8,659.56 : x
  2. Step 2: Convert to fraction form
    14,630.07/20,189.79 = 8,659.56/x
  3. Step 3: Cross multiply
    14,630.07x = 20,189.79 × 8,659.56
  4. Step 4: Simplify right side
    14,630.07x = 174,834,697.89
  5. Step 5: Solve for x
    x = 174,834,697.89/14,630.07
  6. Step 6: Final answer
    x = 11,950.37

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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.