Home / 17,129.72-23,632.09-11,389.93

Finding the Fourth Proportional to 17,129.72, 23,632.09 and 11,389.93

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Solution

The fourth proportional to 17,129.72, 23,632.09 and 11,389.93 is: 15,713.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,129.72 : 23,632.09 = 11,389.93 : x
  2. Step 2: Convert to fraction form
    17,129.72/23,632.09 = 11,389.93/x
  3. Step 3: Cross multiply
    17,129.72x = 23,632.09 × 11,389.93
  4. Step 4: Simplify right side
    17,129.72x = 269,167,763.30
  5. Step 5: Solve for x
    x = 269,167,763.30/17,129.72
  6. Step 6: Final answer
    x = 15,713.49

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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.