Home / 13,625.91-20,445.02-6,958.98

Finding the Fourth Proportional to 13,625.91, 20,445.02 and 6,958.98

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Solution

The fourth proportional to 13,625.91, 20,445.02 and 6,958.98 is: 10,441.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,625.91 : 20,445.02 = 6,958.98 : x
  2. Step 2: Convert to fraction form
    13,625.91/20,445.02 = 6,958.98/x
  3. Step 3: Cross multiply
    13,625.91x = 20,445.02 × 6,958.98
  4. Step 4: Simplify right side
    13,625.91x = 142,276,450.48
  5. Step 5: Solve for x
    x = 142,276,450.48/13,625.91
  6. Step 6: Final answer
    x = 10,441.61

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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.