Home / 10,695.80-16,043.70-8,492.60

Finding the Fourth Proportional to 10,695.80, 16,043.70 and 8,492.60

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Solution

The fourth proportional to 10,695.80, 16,043.70 and 8,492.60 is: 12,738.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,695.80 : 16,043.70 = 8,492.60 : x
  2. Step 2: Convert to fraction form
    10,695.80/16,043.70 = 8,492.60/x
  3. Step 3: Cross multiply
    10,695.80x = 16,043.70 × 8,492.60
  4. Step 4: Simplify right side
    10,695.80x = 136,252,726.62
  5. Step 5: Solve for x
    x = 136,252,726.62/10,695.80
  6. Step 6: Final answer
    x = 12,738.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.