Home / 14,176.20-21,265.72-5,418.48

Finding the Fourth Proportional to 14,176.20, 21,265.72 and 5,418.48

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Solution

The fourth proportional to 14,176.20, 21,265.72 and 5,418.48 is: 8,128.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,176.20 : 21,265.72 = 5,418.48 : x
  2. Step 2: Convert to fraction form
    14,176.20/21,265.72 = 5,418.48/x
  3. Step 3: Cross multiply
    14,176.20x = 21,265.72 × 5,418.48
  4. Step 4: Simplify right side
    14,176.20x = 115,227,878.51
  5. Step 5: Solve for x
    x = 115,227,878.51/14,176.20
  6. Step 6: Final answer
    x = 8,128.26

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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.