Home / 12,777.56-19,166.34-4,457.24

Finding the Fourth Proportional to 12,777.56, 19,166.34 and 4,457.24

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Solution

The fourth proportional to 12,777.56, 19,166.34 and 4,457.24 is: 6,685.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,777.56 : 19,166.34 = 4,457.24 : x
  2. Step 2: Convert to fraction form
    12,777.56/19,166.34 = 4,457.24/x
  3. Step 3: Cross multiply
    12,777.56x = 19,166.34 × 4,457.24
  4. Step 4: Simplify right side
    12,777.56x = 85,428,977.30
  5. Step 5: Solve for x
    x = 85,428,977.30/12,777.56
  6. Step 6: Final answer
    x = 6,685.86

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Similar ratio
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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.