Home / 17,359.88-26,012.54-13,420.80

Finding the Fourth Proportional to 17,359.88, 26,012.54 and 13,420.80

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Solution

The fourth proportional to 17,359.88, 26,012.54 and 13,420.80 is: 20,110.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,359.88 : 26,012.54 = 13,420.80 : x
  2. Step 2: Convert to fraction form
    17,359.88/26,012.54 = 13,420.80/x
  3. Step 3: Cross multiply
    17,359.88x = 26,012.54 × 13,420.80
  4. Step 4: Simplify right side
    17,359.88x = 349,109,096.83
  5. Step 5: Solve for x
    x = 349,109,096.83/17,359.88
  6. Step 6: Final answer
    x = 20,110.11

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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.