Home / 11,113.26-15,341.88-8,589.67

Finding the Fourth Proportional to 11,113.26, 15,341.88 and 8,589.67

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Solution

The fourth proportional to 11,113.26, 15,341.88 and 8,589.67 is: 11,858.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,113.26 : 15,341.88 = 8,589.67 : x
  2. Step 2: Convert to fraction form
    11,113.26/15,341.88 = 8,589.67/x
  3. Step 3: Cross multiply
    11,113.26x = 15,341.88 × 8,589.67
  4. Step 4: Simplify right side
    11,113.26x = 131,781,705.56
  5. Step 5: Solve for x
    x = 131,781,705.56/11,113.26
  6. Step 6: Final answer
    x = 11,858.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.