Home / 17,347.89-26,021.79-13,404.88

Finding the Fourth Proportional to 17,347.89, 26,021.79 and 13,404.88

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Solution

The fourth proportional to 17,347.89, 26,021.79 and 13,404.88 is: 20,107.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,347.89 : 26,021.79 = 13,404.88 : x
  2. Step 2: Convert to fraction form
    17,347.89/26,021.79 = 13,404.88/x
  3. Step 3: Cross multiply
    17,347.89x = 26,021.79 × 13,404.88
  4. Step 4: Simplify right side
    17,347.89x = 348,818,972.34
  5. Step 5: Solve for x
    x = 348,818,972.34/17,347.89
  6. Step 6: Final answer
    x = 20,107.29

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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.