Home / 13,301.44-19,939.84-8,356

Finding the Fourth Proportional to 13,301.44, 19,939.84 and 8,356

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Solution

The fourth proportional to 13,301.44, 19,939.84 and 8,356 is: 12,526.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,301.44 : 19,939.84 = 8,356 : x
  2. Step 2: Convert to fraction form
    13,301.44/19,939.84 = 8,356/x
  3. Step 3: Cross multiply
    13,301.44x = 19,939.84 × 8,356
  4. Step 4: Simplify right side
    13,301.44x = 166,617,303.04
  5. Step 5: Solve for x
    x = 166,617,303.04/13,301.44
  6. Step 6: Final answer
    x = 12,526.26

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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.