Home / 17,110.40-23,605.12-12,644.80

Finding the Fourth Proportional to 17,110.40, 23,605.12 and 12,644.80

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Solution

The fourth proportional to 17,110.40, 23,605.12 and 12,644.80 is: 17,444.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,110.40 : 23,605.12 = 12,644.80 : x
  2. Step 2: Convert to fraction form
    17,110.40/23,605.12 = 12,644.80/x
  3. Step 3: Cross multiply
    17,110.40x = 23,605.12 × 12,644.80
  4. Step 4: Simplify right side
    17,110.40x = 298,482,021.38
  5. Step 5: Solve for x
    x = 298,482,021.38/17,110.40
  6. Step 6: Final answer
    x = 17,444.48

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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.