Home / 11,347.64-17,021.58-3,451.44

Finding the Fourth Proportional to 11,347.64, 17,021.58 and 3,451.44

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Solution

The fourth proportional to 11,347.64, 17,021.58 and 3,451.44 is: 5,177.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,347.64 : 17,021.58 = 3,451.44 : x
  2. Step 2: Convert to fraction form
    11,347.64/17,021.58 = 3,451.44/x
  3. Step 3: Cross multiply
    11,347.64x = 17,021.58 × 3,451.44
  4. Step 4: Simplify right side
    11,347.64x = 58,748,859.71
  5. Step 5: Solve for x
    x = 58,748,859.71/11,347.64
  6. Step 6: Final answer
    x = 5,177.19

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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.