Home / 17,128.85-23,645.08-10,416.61

Finding the Fourth Proportional to 17,128.85, 23,645.08 and 10,416.61

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Solution

The fourth proportional to 17,128.85, 23,645.08 and 10,416.61 is: 14,379.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,128.85 : 23,645.08 = 10,416.61 : x
  2. Step 2: Convert to fraction form
    17,128.85/23,645.08 = 10,416.61/x
  3. Step 3: Cross multiply
    17,128.85x = 23,645.08 × 10,416.61
  4. Step 4: Simplify right side
    17,128.85x = 246,301,576.78
  5. Step 5: Solve for x
    x = 246,301,576.78/17,128.85
  6. Step 6: Final answer
    x = 14,379.34

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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.