Home / 14,107.29-21,161.60-11,637.53

Finding the Fourth Proportional to 14,107.29, 21,161.60 and 11,637.53

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Solution

The fourth proportional to 14,107.29, 21,161.60 and 11,637.53 is: 17,456.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,107.29 : 21,161.60 = 11,637.53 : x
  2. Step 2: Convert to fraction form
    14,107.29/21,161.60 = 11,637.53/x
  3. Step 3: Cross multiply
    14,107.29x = 21,161.60 × 11,637.53
  4. Step 4: Simplify right side
    14,107.29x = 246,268,754.85
  5. Step 5: Solve for x
    x = 246,268,754.85/14,107.29
  6. Step 6: Final answer
    x = 17,456.84

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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.