Home / 11,612.76-17,421.23-4,227.59

Finding the Fourth Proportional to 11,612.76, 17,421.23 and 4,227.59

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Solution

The fourth proportional to 11,612.76, 17,421.23 and 4,227.59 is: 6,342.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,612.76 : 17,421.23 = 4,227.59 : x
  2. Step 2: Convert to fraction form
    11,612.76/17,421.23 = 4,227.59/x
  3. Step 3: Cross multiply
    11,612.76x = 17,421.23 × 4,227.59
  4. Step 4: Simplify right side
    11,612.76x = 73,649,741.20
  5. Step 5: Solve for x
    x = 73,649,741.20/11,612.76
  6. Step 6: Final answer
    x = 6,342.14

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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.