Home / 11,245.29-16,867.86-3,749.45

Finding the Fourth Proportional to 11,245.29, 16,867.86 and 3,749.45

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Solution

The fourth proportional to 11,245.29, 16,867.86 and 3,749.45 is: 5,624.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,245.29 : 16,867.86 = 3,749.45 : x
  2. Step 2: Convert to fraction form
    11,245.29/16,867.86 = 3,749.45/x
  3. Step 3: Cross multiply
    11,245.29x = 16,867.86 × 3,749.45
  4. Step 4: Simplify right side
    11,245.29x = 63,245,113.34
  5. Step 5: Solve for x
    x = 63,245,113.34/11,245.29
  6. Step 6: Final answer
    x = 5,624.14

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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.