Home / 16,687.23-23,026.11-9,971.43

Finding the Fourth Proportional to 16,687.23, 23,026.11 and 9,971.43

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Solution

The fourth proportional to 16,687.23, 23,026.11 and 9,971.43 is: 13,759.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,687.23 : 23,026.11 = 9,971.43 : x
  2. Step 2: Convert to fraction form
    16,687.23/23,026.11 = 9,971.43/x
  3. Step 3: Cross multiply
    16,687.23x = 23,026.11 × 9,971.43
  4. Step 4: Simplify right side
    16,687.23x = 229,603,244.04
  5. Step 5: Solve for x
    x = 229,603,244.04/16,687.23
  6. Step 6: Final answer
    x = 13,759.22

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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.