Home / 14,060.56-21,074.44-7,817.58

Finding the Fourth Proportional to 14,060.56, 21,074.44 and 7,817.58

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Solution

The fourth proportional to 14,060.56, 21,074.44 and 7,817.58 is: 11,717.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,060.56 : 21,074.44 = 7,817.58 : x
  2. Step 2: Convert to fraction form
    14,060.56/21,074.44 = 7,817.58/x
  3. Step 3: Cross multiply
    14,060.56x = 21,074.44 × 7,817.58
  4. Step 4: Simplify right side
    14,060.56x = 164,751,120.66
  5. Step 5: Solve for x
    x = 164,751,120.66/14,060.56
  6. Step 6: Final answer
    x = 11,717.25

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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.