Home / 13,247.96-19,786.18-11,996.05

Finding the Fourth Proportional to 13,247.96, 19,786.18 and 11,996.05

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Solution

The fourth proportional to 13,247.96, 19,786.18 and 11,996.05 is: 17,916.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,247.96 : 19,786.18 = 11,996.05 : x
  2. Step 2: Convert to fraction form
    13,247.96/19,786.18 = 11,996.05/x
  3. Step 3: Cross multiply
    13,247.96x = 19,786.18 × 11,996.05
  4. Step 4: Simplify right side
    13,247.96x = 237,355,925.13
  5. Step 5: Solve for x
    x = 237,355,925.13/13,247.96
  6. Step 6: Final answer
    x = 17,916.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.