Home / 14,899.32-20,559.96-8,611.56

Finding the Fourth Proportional to 14,899.32, 20,559.96 and 8,611.56

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Solution

The fourth proportional to 14,899.32, 20,559.96 and 8,611.56 is: 11,883.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,899.32 : 20,559.96 = 8,611.56 : x
  2. Step 2: Convert to fraction form
    14,899.32/20,559.96 = 8,611.56/x
  3. Step 3: Cross multiply
    14,899.32x = 20,559.96 × 8,611.56
  4. Step 4: Simplify right side
    14,899.32x = 177,053,329.14
  5. Step 5: Solve for x
    x = 177,053,329.14/14,899.32
  6. Step 6: Final answer
    x = 11,883.32

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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.