Home / 16,761.30-23,127.37-11,387.99

Finding the Fourth Proportional to 16,761.30, 23,127.37 and 11,387.99

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Solution

The fourth proportional to 16,761.30, 23,127.37 and 11,387.99 is: 15,713.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,761.30 : 23,127.37 = 11,387.99 : x
  2. Step 2: Convert to fraction form
    16,761.30/23,127.37 = 11,387.99/x
  3. Step 3: Cross multiply
    16,761.30x = 23,127.37 × 11,387.99
  4. Step 4: Simplify right side
    16,761.30x = 263,374,287.63
  5. Step 5: Solve for x
    x = 263,374,287.63/16,761.30
  6. Step 6: Final answer
    x = 15,713.24

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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.