Home / 13,011.91-19,505.29-5,996.75

Finding the Fourth Proportional to 13,011.91, 19,505.29 and 5,996.75

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Solution

The fourth proportional to 13,011.91, 19,505.29 and 5,996.75 is: 8,989.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,011.91 : 19,505.29 = 5,996.75 : x
  2. Step 2: Convert to fraction form
    13,011.91/19,505.29 = 5,996.75/x
  3. Step 3: Cross multiply
    13,011.91x = 19,505.29 × 5,996.75
  4. Step 4: Simplify right side
    13,011.91x = 116,968,347.81
  5. Step 5: Solve for x
    x = 116,968,347.81/13,011.91
  6. Step 6: Final answer
    x = 8,989.33

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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.