Home / 12,514.12-17,267.77-7,477.27

Finding the Fourth Proportional to 12,514.12, 17,267.77 and 7,477.27

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Solution

The fourth proportional to 12,514.12, 17,267.77 and 7,477.27 is: 10,317.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,514.12 : 17,267.77 = 7,477.27 : x
  2. Step 2: Convert to fraction form
    12,514.12/17,267.77 = 7,477.27/x
  3. Step 3: Cross multiply
    12,514.12x = 17,267.77 × 7,477.27
  4. Step 4: Simplify right side
    12,514.12x = 129,115,744.77
  5. Step 5: Solve for x
    x = 129,115,744.77/12,514.12
  6. Step 6: Final answer
    x = 10,317.61

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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.