Home / 16,210.80-22,372.20-9,137.88

Finding the Fourth Proportional to 16,210.80, 22,372.20 and 9,137.88

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Solution

The fourth proportional to 16,210.80, 22,372.20 and 9,137.88 is: 12,611.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,210.80 : 22,372.20 = 9,137.88 : x
  2. Step 2: Convert to fraction form
    16,210.80/22,372.20 = 9,137.88/x
  3. Step 3: Cross multiply
    16,210.80x = 22,372.20 × 9,137.88
  4. Step 4: Simplify right side
    16,210.80x = 204,434,478.94
  5. Step 5: Solve for x
    x = 204,434,478.94/16,210.80
  6. Step 6: Final answer
    x = 12,611.00

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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.