Home / 13,015.89-19,519.83-4,694.86

Finding the Fourth Proportional to 13,015.89, 19,519.83 and 4,694.86

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Solution

The fourth proportional to 13,015.89, 19,519.83 and 4,694.86 is: 7,040.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,015.89 : 19,519.83 = 4,694.86 : x
  2. Step 2: Convert to fraction form
    13,015.89/19,519.83 = 4,694.86/x
  3. Step 3: Cross multiply
    13,015.89x = 19,519.83 × 4,694.86
  4. Step 4: Simplify right side
    13,015.89x = 91,642,748.00
  5. Step 5: Solve for x
    x = 91,642,748.00/13,015.89
  6. Step 6: Final answer
    x = 7,040.84

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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.