Home / 16,717.06-23,066.49-9,640.90

Finding the Fourth Proportional to 16,717.06, 23,066.49 and 9,640.90

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Solution

The fourth proportional to 16,717.06, 23,066.49 and 9,640.90 is: 13,302.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,717.06 : 23,066.49 = 9,640.90 : x
  2. Step 2: Convert to fraction form
    16,717.06/23,066.49 = 9,640.90/x
  3. Step 3: Cross multiply
    16,717.06x = 23,066.49 × 9,640.90
  4. Step 4: Simplify right side
    16,717.06x = 222,381,723.44
  5. Step 5: Solve for x
    x = 222,381,723.44/16,717.06
  6. Step 6: Final answer
    x = 13,302.68

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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.