Home / 9,861.21-13,608.45-5,887.67

Finding the Fourth Proportional to 9,861.21, 13,608.45 and 5,887.67

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Solution

The fourth proportional to 9,861.21, 13,608.45 and 5,887.67 is: 8,124.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,861.21 : 13,608.45 = 5,887.67 : x
  2. Step 2: Convert to fraction form
    9,861.21/13,608.45 = 5,887.67/x
  3. Step 3: Cross multiply
    9,861.21x = 13,608.45 × 5,887.67
  4. Step 4: Simplify right side
    9,861.21x = 80,121,994.77
  5. Step 5: Solve for x
    x = 80,121,994.77/9,861.21
  6. Step 6: Final answer
    x = 8,124.97

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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.