Home / 14,635.56-20,176.98-9,255.31

Finding the Fourth Proportional to 14,635.56, 20,176.98 and 9,255.31

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Solution

The fourth proportional to 14,635.56, 20,176.98 and 9,255.31 is: 12,759.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,635.56 : 20,176.98 = 9,255.31 : x
  2. Step 2: Convert to fraction form
    14,635.56/20,176.98 = 9,255.31/x
  3. Step 3: Cross multiply
    14,635.56x = 20,176.98 × 9,255.31
  4. Step 4: Simplify right side
    14,635.56x = 186,744,231.09
  5. Step 5: Solve for x
    x = 186,744,231.09/14,635.56
  6. Step 6: Final answer
    x = 12,759.63

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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.