Home / 12,748.68-17,590.32-11,067.12

Finding the Fourth Proportional to 12,748.68, 17,590.32 and 11,067.12

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Solution

The fourth proportional to 12,748.68, 17,590.32 and 11,067.12 is: 15,270.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,748.68 : 17,590.32 = 11,067.12 : x
  2. Step 2: Convert to fraction form
    12,748.68/17,590.32 = 11,067.12/x
  3. Step 3: Cross multiply
    12,748.68x = 17,590.32 × 11,067.12
  4. Step 4: Simplify right side
    12,748.68x = 194,674,182.28
  5. Step 5: Solve for x
    x = 194,674,182.28/12,748.68
  6. Step 6: Final answer
    x = 15,270.14

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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.