Home / 11,742.96-17,598-8,440.56

Finding the Fourth Proportional to 11,742.96, 17,598 and 8,440.56

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Solution

The fourth proportional to 11,742.96, 17,598 and 8,440.56 is: 12,649.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,742.96 : 17,598 = 8,440.56 : x
  2. Step 2: Convert to fraction form
    11,742.96/17,598 = 8,440.56/x
  3. Step 3: Cross multiply
    11,742.96x = 17,598 × 8,440.56
  4. Step 4: Simplify right side
    11,742.96x = 148,536,974.88
  5. Step 5: Solve for x
    x = 148,536,974.88/11,742.96
  6. Step 6: Final answer
    x = 12,649.02

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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.