Home / 17,690.40-24,348.60-16,669.80

Finding the Fourth Proportional to 17,690.40, 24,348.60 and 16,669.80

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Solution

The fourth proportional to 17,690.40, 24,348.60 and 16,669.80 is: 22,943.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,690.40 : 24,348.60 = 16,669.80 : x
  2. Step 2: Convert to fraction form
    17,690.40/24,348.60 = 16,669.80/x
  3. Step 3: Cross multiply
    17,690.40x = 24,348.60 × 16,669.80
  4. Step 4: Simplify right side
    17,690.40x = 405,886,292.28
  5. Step 5: Solve for x
    x = 405,886,292.28/17,690.40
  6. Step 6: Final answer
    x = 22,943.87

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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.