Home / 16,612.80-22,919.91-10,647.75

Finding the Fourth Proportional to 16,612.80, 22,919.91 and 10,647.75

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Solution

The fourth proportional to 16,612.80, 22,919.91 and 10,647.75 is: 14,690.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,612.80 : 22,919.91 = 10,647.75 : x
  2. Step 2: Convert to fraction form
    16,612.80/22,919.91 = 10,647.75/x
  3. Step 3: Cross multiply
    16,612.80x = 22,919.91 × 10,647.75
  4. Step 4: Simplify right side
    16,612.80x = 244,045,471.70
  5. Step 5: Solve for x
    x = 244,045,471.70/16,612.80
  6. Step 6: Final answer
    x = 14,690.21

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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.